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.

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.

Archive: People and Markets
Our Event Sites for the Coin Fairs in Basel and Munich
On the last weekend in February and the first weekend in March, two coin fairs took place that we didn’t want to miss: First the Basel Coin Fair, then the NUMISMATA in Munich. You can find our impressions of the fairs on two event sites.
Vatican Plans a Comeback: New Online Shop Launches in July
This move has nothing to do with the inauguration of Pope Leo XIV but has been in preparation for months: Starting in July 2025, the Vatican will resume sales of its philatelic and numismatic products.
Archive: Coins, Medals and more

Joachimsthal and the Reformation
On 29 January 2025, Künker will auction a series of valuable Renaissance medals. They feature biblical topics and were minted in the region of Joachimsthal to spread the teachings of the Reformation. Johannes Mathesius, the author of Luther’s Table Talk, may have been at the origin of some of the motifs.

The First Piece of Mail Sent Using a Stamp to Be Offered at Sotheby’s
A Penny Black affixed to a Mulready envelope is among the most valuable items in Philately ever offered at auction. The earliest posted envelope using a prepaid stamp, dating to 1840, will be sold at Sotheby’s with an estimate of $1.5–2.5 million.













CoinsWeekly Special Issue for the Evento Numismático International Madrid 2025
On the occasion of the 2025 Evento Numismático International in Madrid, we are once again publishing one of our printed CoinsWeekly Special Issues, this time in Spanish. Read all about the Traveling Emperor Hadrian and his coinage.
Jewish-American Hall of Fame honors Julius Rosenwald and Booker T. Washington
The Jewish-American Hall of Fame is celebrating May as Jewish American Heritage Month by issuing art medals honoring Julius Rosenwald, who appears along with his friend and associate Booker T. Washington. These Renaissance-style high relief medals are the 56th in the longest continuing series of art medals in America.