| Auction Date | Price Realized | |
Heritage World Coin Auctions - Showcase Auction 61574, Lot 24033
Ancients
Augustus (27 BC-AD 14). AR denarius (20mm, 5h). ANACS VF 35. Spanish mint (Caesaraugusta?), ca. 19-18 BC. CAESAR-AVGVSTVS, laureate head of Augustus right / DIVVS-IVLIVS, eight-rayed comet with tail upwards, pellet in center. RIC I 37a.
A comet that appeared in summer 44 BC was held to signal Julius Caesar's ascension to the heavens, and proved quite useful in Octavian's effort to get the Senate to deify his adoptive father. The memory of Caesar's deification was revived in connect... | 7 Dec 2025 | Upcoming
Auction | |
Nomos AG - Auction 37, Lot 225
Augustus, 27 BC-AD 14. Denarius (Silver, 20.5 mm, 3.74 g, 7 h), uncertain mint in Hispania, possibly Colonia Patricia, 19-18 BC. CAESAR AVGVSTVS oak-wreathed head of Augustus to left. Rev. DIVVS - IVLIVS 8-rayed comet with flaming tail upwards. BMC 326. Cohen 97. RIC 37b. Toned and clear. Minor marks on the reverse, otherwise, good very fine.
From the Celestial Collection, Switzerland.
The comet on the reverse, the "Sidus lulium", was so-named because it was first seen by Romans in July 44 B... | 16 Nov 2025 | Upcoming
Auction | |
Noonans (formerly Dix Noonan Webb) - Auction 342, Lot 286
The Chilfrome Hoard of Roman Silver Coins
Augustus (27 BC-AD 14), Denarius, Cæsaraugusta, c. 19-18 BC, bust right, wearing oak wreath, caesar avgvstvs around, rev. divus ivlius either side of eight-rayed comet with tail upwards, 3.72g/7h (Chilfrome 65, this coin; RIC 37a; RSC 98). About very fine, mottled hoard patina, rare
£150-£200
---
The comet, sometimes called the sidus Iulium, was observed in the sky at the time of the public funerary games which followed the assassination of Caesar... | 12 Nov 2025 | 800 GBP | |
Fischer - Auction 15, Lot 52
Antike Römer
Münzen Römische Kaiserzeit Augustus und M. Sanquinius, Denar (3,54 g), 17 v. Chr., Rom. Av.: Barhäuptige Büste des Augustus nach rechts und Umschrift: DIVI F - AVGVSTVS. Rev.: Jugendliche und belorbeerte Büste des vergöttlichten Iulius Caesar nach rechts, darüber vierstrahliger Komet und Umschrift: M SANQVI - NIVS . III . VIR. RIC 338, ss.
Starting price: 150 EUR... | 5 Nov 2025 | 360 EUR | |
Dr. Busso Peus Nachfolger - Auction 443, Lot 415
Kaiserliche Prägungen
Augustus, 27 v. Chr.-14 n. Chr. Denar 19/18 v. Chr., Colonia Caesaraugusta (Saragossa). Kopf mit Eichenkranz nach links / Komet (sidus Iulium). 6h RIC 37b; C. 97. 3.77 g.; 20,5 mm. Feine Tönung Selten Gutes Sehr schön Kleine Punze und Graffito im Avers
Aus der Sammlung König, Saarbrücken (ca. 1950-2002).
Estimate: 500 EUR... | 4 Nov 2025 | 1,200 EUR | |
Dr. Busso Peus Nachfolger - Auction 443, Lot 416
Kaiserliche Prägungen
Augustus, 27 v. Chr.-14 n. Chr. Denar 19/18 v. Chr., Colonia Caesaraugusta. Kopf mit Eichenkranz nach rechts / Komet (sidus Iulium). 6h. RIC 38a; C. 100. 3.53 g.; 19,3 mm. Dunkle Tönung Selten Sehr schön Kleine Punze im Avers, Schürfspuren im Revers, Rand befeilt
Estimate: 350 EUR... | 4 Nov 2025 | 500 EUR | |
Tauler & Fau - Auction 162, Lot 518
Augustus. Fourée Denarius. 19-18 BC. Caesar Augusta (Zaragoza). (Ffc-76). (Ric-37b). (Cal-703). Anv.: CAESAR AVGVSTVS head of Augustus left wearing oak-wreath. Rev.: DIVVS - IVLIVS across field: between, a comet of eight rays., (but two rays between torch and IVLIVS). Ae/Ar. 4,19 g. Almost VF/VF. Est...200,00.
Spanish description: Augusto. Denario forrado. 19-18 a.C. César Augusta (Zaragoza). (Ffc-76). (Ric-37b). (Cal-703). Anv.: Cabeza laureada de Augusto a izquierda, CAESAR AVGVSTVS. Rev.... | 28 Oct 2025 | 130 EUR | |
SINCONA AG - Auction 101, Lot 2146
RÖMISCHES KAISERREICH.
Augustus, 27 v. Chr. - 14 n. Chr. Denar um 19-18 v. Chr., Caesaraugusta (?). CAESAR - AVGVSTVS, Kopf mit Eichenlaubkranz nach rechts. Rv. DIVVS - IVLIVS, achtstrahliger Komet. 19 mm. 3.81 g. RIC I, 37a. Cohen 98. BMC 323. Attraktive Tönung, beidseitig Geldwechslerpunzen / Attractive toning, moneychanger´s punches on both sides. Gutes sehr schön / Good Very Fine.
(~€ 375/USD 440)
Exemplar der Auktion SBV 38, Zürich, September 1995, Los 293.
Starting price: 350 CHF... | 27 Oct 2025 | 575 CHF | |
Eid Mar Auctions GmbH - Auction 23, Lot 181
Roman Imperial
Augustus, 27 BC - 14 AD. Silver Denarius (20.71 mm, 3.69 g.). Uncertain mint in Spain (Colonia Patricia?), struck 19-18 BC. CAESAR AVGVSTVS Head of Augustus to right, wearing oak-wreath. Rev. DIVVS - IVLIVS Eight-rayed comet with tail upwards. BMC 323-325. Cohen 98. RIC 37a. Good very fine.
Estimate: 500 EUR
Starting price: 500 EUR... | 26 Oct 2025 | 850 EUR | |
Savoca Numismatik GmbH & Co. KG - Online Auction 291 | Silver, Lot 167
Augustus 27 BC-AD 14. Uncertain Spanish mint (Colonia Caesaraugusta?)
Denarius AR
21 mm, 3,53 g
CAESAR AVGVSTVS, oak-wreathed head to right / Eight-tailed comet with tail upwards; DIVVS IVLIVS across fields.
Good Very Fine
RIC I 37a; BMCRE 323-325 = BMCRR Gaul 135-7; RSC 98.
Starting price: 1500 EUR... | 26 Oct 2025 | Unsold | |
Myntauktioner i Sverige AB - Auction 47, Lot 522
Roman Empire. AUGUSTUS (27 B.C.-A.D. 14). AR denarius. CAESAR AVGVSTVS, oak-wreathed head of Augustus left)(DIVVS IVLIVS, eight-rayed comet with tail above. SR1 1607. 3,62 g.
Grade: 1/1+ (F-VF)
Starting price: 2000 SEK... | 25 Oct 2025 | 8,800 SEK | |
Leu Numismatik AG - Auction 19, Lot 82
KINGS OF ARMENIA. Tigranes IV (Restored) and Erato, 2 BC-AD 1. Tetrachalkon (Bronze, 21 mm, 6.53 g, 12 h), Artaxata. BACIΛЄYC MЄΓAC NЄOC TIΓPANHC Draped bust of Tigranes IV to right, wearing four-pointed tiara decorated with comet star and tied with a diadem. Rev. ЄPATⲰ BACIΛЄΩC TIΓPANOY AΔЄΛΦH Draped bust of Erato to left. CAA 165-6. Kovacs 179. RPC I 3842. Very rare and unusually well preserved, an exceptionally complete example. Good fine.
Tigranes IV first gained the Armenian throne in 8 ... | 18 Oct 2025 | 14,000 CHF | |
Gorny & Mosch Giessener Münzhandlung - Auction 314, Lot 741
RÖMISCHE KAISERZEIT.
Augustus, 27 v. Chr. - 14 n. Chr. Denar ø 19mm (3,69g). 2 v. Chr. - 4 n. Chr. Mzst. Caesaraugusta. Vs.: CAESAR AVGVSTVS, Kopf mit Eichenlaubkranz n. l. Rs.: DIVVS - IVLIVS, achtstrahliger Komet mit Schweif. RIC 37b; C. 97; BMC 326; BN 1298.
Rs. Graffiti, Schrötlingsfehler, ss-vz
Ex Gorny & Mosch Auktion 257, 2018, Los 729; aus der Sammlung eines Münchner Arztes, erworben von den 1960er bis in die späten 1990er Jahre.
Estimate: 750 EUR... | 14 Oct 2025 | 1,100 EUR | |
Eid Mar Auctions GmbH - Auction 22, Lot 213
Roman Imperial
Augustus, 27 BC - 14 AD. Silver Plated Denarius (16.98 mm, 2.88 g.). Uncertain mint in Spain (Colonia Patricia?), struck circa 19/8 BC. CAESAR AVGVSTVS, head of Augustus to left, wearing oak wreath. Rev. DIVVS • IVLIVS Sidus Iulium: eight-rayed comet with tail upward. BMC 326; Cohen 97; RIC 37b. Beautifully toned and very well defined. Only few insignificant spots where the silver surface is missing, otherwise, good very fine.
Estimate: 150 EUR
Starting price: 120 EUR... | 12 Oct 2025 | 190 EUR | |
Gadoury - Auction XIX, Lot 1099
Augustus 27 avant J.C. - 14 après J.C. Denier en argent , Atelier incertain en Espagne (Colonia Caesaraugusta ?), vers 19-18 av. J.C., AG 3.71 g.
Avers : Tête à gauche, couronnée de chêne
Revers : DIVVS • IVLIVS au centre du champ, comète à huit rayons et une queue Ref : RIC I 37b , RSC 97
Grading : NGC VF 4/5 2/5, bankers mark Conservation : TTB
Lot Extra UE Voir conditions de vente - Please refer to the terms of sale
Starting price: 200 EUR... | 4 Oct 2025 | 850 EUR | |
Classical Numismatic Group - Electronic Auction 596, Lot 1001
Augustus. 27 BC-AD 14. AR Denarius (20mm, 3.82 g, 6h). Uncertain Spanish mint (Colonia Caesaraugusta?). Struck 19-18 BC. Head right, wearing oak wreath / DIVVS above, IVLIVS below, comet of eight rays with tail upward. RIC I 38a; RSC 100. Lightly toned, harshly cleaned, hairlines. Good VF.
Estimate: 500 USD... | 1 Oct 2025 | 5,500 USD | |
Heritage World Coin Auctions - Showcase Auction 61544, Lot 21002
Ancients
Augustus (27 BC-AD 14). AR denarius (20mm, 3.86 gm, 11h). NGC Choice XF 4/5 - 3/5, edge marks. Spanish mint (Caesaraugusta?), ca. 19-18 BC. CAESAR-AVGVSTVS, laureate head of Augustus right / DIVVS-IVLIVS, eight-rayed comet with tail upwards, pellet in center. RIC I 37a. Gun-metal toning with peach highlights.
Ex Heritage Auctions, Auction 3101 (25 August 2022), lot 32094; the Historical Scholar Collection.
Born on 23 September 63 BC into a wealthy plebeian family, Augustus, origina... | 7 Sep 2025 | 1,600 USD | |
Stack's Bowers Galleries (& Ponterio) - August 2025 Global Showcase Auction, Lot 40196
CIVIL WAR, A.D. 68-69. AR Denarius (3.42 gms), Uncertain Mint in Spain or Gaul. NGC EF, Strike: 4/5 Surface: 2/5.
RIC-92. Obverse: Laureate head of Augustus right; Reverse: Comet of eight rays. A RARE type that parallels the Augustus issue from nearly a century prior, this specimen does exhibit some roughness and off-centering to the strike, but is nevertheless difficult and rather popular.
Estimate: $1500 - 3000... | 25 Aug 2025 | 1,200 USD | |
Numismatik Naumann (formerly Gitbud & Naumann) - Auction 155, Lot 552
AUGUSTUS, with DIVUS JULIUS CAESAR (27 BC-14 AD). Denarius. Rome. M. Sanquinius, moneyer.
Obv: AVGVSTVS DIVI F.
Bare head of Augustus right.
Rev: M SANQVINIVS III VIR.
Youthful laureate head of Julius Caesar right; above comet with four rays and tail.
RIC² 338.
Condition: Good fine.
Weight: 3.15 g.
Diameter: 21 mm.
Estimate: 50 EUR... | 3 Aug 2025 | 170 EUR | |
Need access to more market information? Research tools for professionals |
|
Numismatik Naumann (formerly Gitbud & Naumann) - Auction 154, Lot 364
AUGUSTUS (27 BC-14 AD). Denarius. Uncertain mint in Spain (Colonia Caesaraugusta?).
Obv: CAESAR AVGVSTVS.
Head left, wearing oak wreath.
Rev: DIVVS - IVLIVS.
Eight-rayed comet with tail upwards.
RIC² 37b.
In 44 BC, a year of institutional political upheaval, the sighting of a comet, an exceptional astronomical event, was seen as a divine sign related to Caesaricide and appeared on some rare Republican and Augustan denarii. Virgil writes in the Eclogues that Caesar's star represented an ... | 6 Jul 2025 | 575 EUR | |
Leu Numismatik AG - Web Auction 34, Lot 2151
Augustus, 27 BC-AD 14. Denarius (Silver, 20 mm, 3.65 g, 6 h), uncertain mint in Spain (Colonia Patricia?), circa 19/8 BC. CAESAR AVGVSTVS Head of Augustus to left, wearing oak wreath. Rev. DIVVS • IVLIVS Sidus Iulium: eight-rayed comet with tail upward. BMC 326. Cohen 97. RIC 37b. Darkly toned. Faint scratches and with a banker's mark on the obverse, otherwise, very fine.
From the Lucien Birkler Collection.
The 'star' on the reverse of this piece is the Sidus Iulium, a comet that appeared ... | 5 Jul 2025 | 550 CHF | |
Leu Numismatik AG - Web Auction 34, Lot 2152
Augustus, 27 BC-AD 14. Denarius (Silver, 20 mm, 3.24 g, 6 h), uncertain mint in Spain (Colonia Patricia?), circa 19/8 BC. CAESAR AVGVSTVS Head of Augustus to left, wearing oak wreath. Rev. DIVVS • IVLIVS Sidus Iulium: eight-rayed comet with tail upward. BMC 326. Cohen 97. RIC 37b. Traces of cleaning, otherwise, good fine.
From the Joseph Markowitz Collection (1897-1981), brought to Israel in 1949 and kept in the family ever since.
The 'star' on the reverse of this piece is the Sidus Iulium... | 5 Jul 2025 | 600 CHF | |
Eid Mar Auctions GmbH - Auction 17, Lot 152
Roman Imperial
Augustus, 27 BC - 14 AD. Silver Denarius (21 mm, 3.72 g.). Spanish mint, Colonia Caesaraugusta?, circa 19-18 BC. CAESAR AVGVSTVS, oak-wreathed head to right. Rev. Eight-tailed comet with tail upwards; DIVVS IVLIVS across fields. RIC I 37a; BMCRE 323-325 = BMCRR Gaul 135-7; RSC 98. Nice deep toning, about good very fine, struck on a broad flan with a portrait of the finest style.
Estimate: 500 EUR
Starting price: 400 EUR... | 29 Jun 2025 | 500 EUR | |
Naville Numismatics Ltd. - Auction 96, Lot 549
Octavian as Augustus, 27 BC – 14 AD Denarius Caesaraugusta circa 19–18 BC, AR 22.00 mm., 3.49 g.
CAESAR – AVGVSTVS Oak-wreathed head r. Rev. DIVVS – IVLIVS Eight-rayed comet with tail upwards. C 98 var. (laureate). BMC 323. RIC 37a. CBN 1297.
Toned, banker's mark, otherwise About Extremely fine
Ex Naumann sale 46, 2016, 518.
Starting price: 250 GBP... | 29 Jun 2025 | 1,000 GBP | |
Eid Mar Auctions GmbH - Auction 16, Lot 181
Roman Imperial
Augustus, 27 BC-AD 14. Silver Denarius (17 mm, 2.89 g.), uncertain mint in Spain (Colonia Patricia?), circa 19/8 BC. CAESAR AVGVSTVS Head of Augustus to left, wearing oak wreath. Rev. DIVVS • IVLIVS Sidus Iulium: eight-rayed comet with tail upward. BMC 326. Cohen 97. RIC 37b. Beautifully toned and very well defined. Only few insignificant spots where the silver surface is missing, otherwise, good very fine.
Estimate: 150 EUR
Starting price: 120 EUR... | 15 Jun 2025 | 220 EUR | |
Numismatik Naumann (formerly Gitbud & Naumann) - Auction 152, Lot 486
★ The Caesar's Comet ★
AUGUSTUS (27 BC-14 AD). Denarius. Uncertain Spanish mint, possibly Colonia Patricia.
Obv: CAESAR AVGVSTVS.
Head right, wearing oak wreath.
Rev: DIVVS - IVLIVS.
Comet, with eight rays and tail.
RIC² 102.
In 44 BC, a year of institutional political upheaval, the sighting of a comet, an exceptional astronomical event, was seen as a divine sign related to Caesaricide and appeared on some rare Republican and Augustan denarii. Virgil writes i... | 4 May 2025 | 1,100 EUR | |
