Friedrich Wilhelm, the Great Elector.
Ducat 1686 LCS, Berlin.
Extremely rare.
Attractive piece.
Maximilian II.
Ducat 1855.
Only a few pieces are known.
Extremely fine-uncirculated.
Ferdinand Albrecht I.
Löser in the weight of 4 Reichstalers 1670, Clausthal.
Extremely rare.
Attractive piece.
Friedrich Adolf.
5 Ducats 1711, Detmold.
Only known piece.
Extremely fine-uncirculated.
10 Ducats 1630.
Extremely rare.
Extremely fine.
6 Ducats, n. d. (1765-1790), with the title of Joseph II.
NGC MS 62 PL.
Extremely rare.
Attractive piece from polished dies.
Almost uncirculaed.
Johann Adolf, 1590-1616.
Portugalöser (10 ducats) n.d., Eutin.
Extremely rare and of particular
significance in monetary history.
Attractive piece.
Leopold I, 1657-1705.
20 Ducats, n. d. (after 1666), Hall,
by M. König.
Extremely rare.
Almost extremely fine.
20 Ducats 1687.
NGC AU 58.
Extremely rare.
Extremely fine.
Salvator medal in the weight of 24 Ducats,
n. d. (after 1843), by K. Lange.
NGC PF 61.
Extremely rare.
Proof.
Archive: People and Markets
Two-Euro Ticker: New €2 Coins in January 2025
Fresh additions for €2 collectors – and a surprising twist: 2025 kicks off with an unexpected yet understandable change of plans from one issuing country.
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.
Archive: Coins, Medals and more
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Peter Terhorst
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Peter Terhorst2024-07-11 11:04:462024-07-11 11:19:29The Casa de la Moneda Museum in Madrid
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Bruno
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Bruno2024-04-04 09:39:312024-04-04 13:03:19Counterfeit Detection: Altered Prussia 20 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.
Stockholm Numismatica 2023
In 2023, Stockholm Numismatica will take place on 1 October. The previous day at the same premises a series of exclusive coins from the Gunnar Ekström collection will be sold in a public auction.