MACEDONIAN KINGDOM.
Alexander III the Great (336-323 BC).
AV distater (22mm, 17.22 gm, 10h).
NGC Choice AU 5/5 - 4/5.


MACEDONIAN KINGDOM.
Alexander III the Great (336-323 BC).
AV distater (21mm, 17.20 gm, 7h).
NGC AU 5/5 - 3/5, Fine Style, edge cut.

BITHYNIA.
Cius. Ca. 350-300 BC.
AV stater (18mm, 8.56 gm, 12h).
NGC Choice XF 5/5 - 4/5.

Augustus (27 BC-AD 14).
AR cistophorus (25mm, 11.70 gm, 2h).
NGC Choice AU 5/5 - 2/5, Fine Style, brushed.

Claudius I (AD 41-54).
AV aureus (19mm, 7.90 gm, 5h).
NGC Choice AU★ 5/5 - 4/5, light marks.

Louis XV
gold "Louis XVI & Marie Antoinette Marriage"
Medal 1770-Dated MS62 NGC

Elizabeth I (1558-1603)
gold "Ship" Ryal of 15 Shillings ND (1584-1586)
MS63 NGC

Archive: People and Markets
A New Member to Join the SINCONA Team: Michael Otto
The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.
Foreign Coin Production Ends at the Royal Mint – The End of an Era or Another Step Closer to a Cashless Economy?
The Royal Mint has announced that it will no longer produce coins for other countries, ending a business model that it has operated for 700 years. Michael Alexander puts this development into perspective.
Archive: Coins, Medals and more

Cleaning, Patina, Verdigris etc.: Which Errors Affect the Price of a Coin? – Part 2
The price of a coin does not only depend on its rarity and quality. In the second part of our overview we will talk about wear and tear, cleaning and the consequences of environmental processes.

Royal Gold: England’s Five Guineas and the English Gold Currency
On 10 December 2024, Numismatica Genevensis will offer the most complete run of English Five Guineas ever sold at auction. The pieces are considered to be the most beautiful and the heaviest English circulation issues in gold. They were struck from 1668 to 1777, during the period when England replaced its bimetallism with the gold currency. Read on to find out more.













INORCOAT: How to Make Minting More Sustainable
Are you annoyed by all the laws that make our lives more difficult but have no positive effect? Here’s an example of a law that actually makes sense: the planned ban on chromium (VI) electroplating is helping an innovative technology to make a breakthrough – and this development brings decisive advantages for the minting industry. Romain Waidelich of INORCOAT takes us behind the scenes.
The Medals and Representative Coins of Emperor Ferdinand I
Andrea Mayr has presented another part of the collection of the Kunsthistorisches Museum in Vienna. In 2023, her two-volume work on the medals and representative coins of Ferdinand I was published. It is much more than a usual catalogue. Ursula Kampmann took a look at it.