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

State-of-the-Art Minting Technology

Colours, special shapes, inlays, micro inscriptions, latent images and holograms – many technologies are used on commemorative coins today. In this article, we give you a little overview of the different technologies that are currently applied in the coin producing industry.

Coloured Metal from Austria: Niobium Coins

In 2003, the Austrian Mint introduced a new metal with exciting characteristics to the world of coins: niobium. The beginning of a success story.
Schätzpreis: 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
Schätzpreis: 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
Schätzpreis: 12.500 $Ancients:
Hadrian (AD 117-138).
AV aureus (20mm, 7.31 gm, 6h).
NGC Choice AU★ 5/5 - 5/5,
Fine Style.33029
Schätzpreis: 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
Schätzpreis: 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
Schätzpreis: 50.000 $Great Britain:
George V
gold Proof Pattern Crown 1935
PR64+ Ultra Cameo NGC33163
Schätzpreis: 15.000 $Mexico:
Republic silver Proof Pattern 8 Reales 1827
Go-WW PR64 Cameo NGC.
From the Eternal Collection, Part II31081
Schätzpreis: 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
Schätzpreis: 150.000 $Russia:
Nicholas I
Proof Pattern "Imperial Family"
1-1/2 Roubles - 10 Zlotych 1835
PR63 PCGS33236
Schätzpreis: 50.000 $South Africa:
Republic gold Proof 6 Pence 1897
PR63 Cameo NGC.
From the Gatsby Collection, Part II32030

Archive: People and Markets

Giant’s Causeway: A Natural Wonder at Risk – Because of Coins?

One of Britain’s most iconic natural landmarks is under threat – because tourists are decorating the famous basalt columns of the Giant’s Causeway with coins. What may seem like a well-meaning gesture is now causing increasing damage to the geologically unique rock formation.

Read more

Florida Recognises Gold and Silver as Legal Tender

A new step in the monetary policy of US states: the “Sunshine State” will soon allow certain precious metal coins to be used in everyday transactions. However, this alternative form of currency must meet specific requirements in order to qualify.

Read more
Search Search