Livonian Order. Gotthard Kettler, 1559-1561.
2 1/2 Ducats n. d., mint probably Riga.
Extremely rare.
Almost extremely fine.


Elizabeth I, 1558-1603.
Sovereign n. d., (1584-1586), London.
Very rare.
Slightly bent, almost extremely fine.


Mustafa III, 1757-1774.
2 Zeri Mahbub 1757/1758 (= 1171 AH), Misr (Kairo)
Ziynet pattern.
Very rare.
Holed, almost extremely fine.


Carlos III, 1759-1788.
8 Escudos 1764, NR-JV,
Santa Fe de Nuevo Reino (Bogota).
NGC AU58.
Rare. Extremely fine.


Bankportugalöser in the weight of 10 Ducats 1689,
by J. Reteke, on the major European banking cities of
Amsterdam, Hamburg, Nuremberg, and Venice.
NGC MS63 PL. Very rare.
Extremely fine-uncirculated.


Penny 1919.
Copper-nickel pattern of the “Kookaburra Penny”
by C. D. Richardson for Stokes & Sons. Extremely rare.
PCGS SP 61.
Tiny edge faults, extremely fine.


Vereenigde Amsterdamsche Compagnie.
1/2 Daalder in the weight of 4 Reales 1601, Dordrecht.
Extremely rare. Fine patina,
very fine-extremely fine.


5 Gulden type 1846.
Highest rarity (RRRR).
PMG Choice Very Fine 35.


Archive: Coins, Medals and more

The Wedding of a Century in Saxony
In the days of absolutism, a feast was not simply a gathering of friends and family. It was a political means of propagating one’s status. That is exactly what Augustus the Strong did in 1719. His son’s wedding was nothing but a welcome occasion.

From Taler to Mark: The Long Road to a Common Currency
As Germany gradually evolved into a nation-state in the 19th century, the many currencies that circulated in its territories were also unified step by step. Coins from the Duchy of Saxe-Coburg and Gotha in Künker’s auction 388 illustrate the long path from the taler to the mark.
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.
Hadrian, the Traveling Emperor– Our CoinsWeekly NYINC Special Issue
Few emperors seem as likeable as Hadrian, an emperor from the provinces for the provinces, who was very different from all his predecessors. Learn more about Hadrian and his coinage in our new CoinsWeekly Special Issue for NYINC 2025. Now available as a free download!