Estimate: 10.000 $Ancients:
SICILY. Syracuse.
Dionysius I (405-367 BC).
AR decadrachm (35mm, 41.83 gm, 10h).
NGC Choice XF 4/5 - 3/5, Fine Style.33002
Estimate: 15.000 $Ancients:
Julius Caesar, as Consul for the Third Time (46 BC),
with Aulus Hirtius, as Praetor.
AV aureus (21mm, 8.15 gm, 3h).
NGC Choice AU★ 5/5 - 5/5.33022
Estimate: 12.500 $Ancients:
Hadrian (AD 117-138).
AV aureus (20mm, 7.31 gm, 6h).
NGC Choice AU★ 5/5 - 5/5,
Fine Style.33029
Estimate: 6.500 $Ancients:
Faustina Junior (AD 147-175/176).
AV aureus (18mm, 7.37 gm, 6h).
NGC Choice AU 5/5 - 3/5, light marks.33031
Estimate: 40.000 $Ancients:
Pertinax (1 January-28 March AD 193).
AV aureus (20mm, 7.20 gm, 5h).
NGC Gem MS 5/5 - 5/5, Fine Style.33032
Estimate: 50.000 $Great Britain:
George V
gold Proof Pattern Crown 1935
PR64+ Ultra Cameo NGC33163
Estimate: 15.000 $Mexico:
Republic silver Proof Pattern 8 Reales 1827
Go-WW PR64 Cameo NGC.
From the Eternal Collection, Part II31081
Estimate: 50.000 $Netherlands East Indies:
Dutch Colony. United East India Company (VOC)
gold Proof Pattern Ducaton 1728 PR63 NGC.
From the Peh Family Collection, Part II30167
Estimate: 150.000 $Russia:
Nicholas I
Proof Pattern "Imperial Family"
1-1/2 Roubles - 10 Zlotych 1835
PR63 PCGS33236
Estimate: 50.000 $South Africa:
Republic gold Proof 6 Pence 1897
PR63 Cameo NGC.
From the Gatsby Collection, Part II32030

Archive: Coins, Medals and more

The Turks, the Bohemian Estates and Two Gnadenpfennigs by Ferdinand I

SINCONA’s spring auction will be held from 13 to 15 May 2024. Among other highlights, two extremely rare gold gnadenpfennigs by Ferdinand I are on offer. The multiple coins with a weight of 10 and 15 gold gulden are among the great treasures of Habsburg numismatics. We share their story.
Mit dieser Münze stimmt etwas nicht! Bild: NGC. Gemälde im Hintergrund: Eduard Gaertner, Unter den Linden, 1852

Counterfeit Detection: Altered Prussia 20 Mark

An NGC expert gives us insight into his everyday life. He shows how the year on a coin from the German Empire was altered by a coin doctor.

Archive: People and Markets

John Highfill († 15 June 2025)

Tulsa, Oklahoma rare coin dealer John Highfill, founder of the National Silver Dollar Roundtable and author of a landmark 1,200-page reference book, The Comprehensive U.S. Silver Dollar Encyclopedia, passed away on June 15, 2025. He was 82.

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Major State Exhibition at Two Museums in Trier: Marcus Aurelius

The state exhibition on Marcus Aurelius marks the opening of another world-class exhibition on ancient Rome in Trier. Who was the man whose Meditations became world literature? And what actually makes a “good ruler”, a quality which Marcus Aurelius is often said to embody?

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