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Obverse: French, German, Italian, and Romansch text; development of the polyhedron; the Königsberg bridges; mathematician, physicist, astronomer, logician and engineer Leonhard Euler
Reverse: French, German, Italian, and Romansch text; gamma function; table for the calculation of numbers; diagram of the solar system
The National Bank of Kazakhstan release new silver coins as part of a popular collector series.
The Austrian Mint release their latest annual New Year's celebratory commemorative coin.
An extremely rare coin from the Umayyad Dynasty that has been authenticated and graded by Numismatic Guaranty Company® (NGC®) is the centerpiece of an elite auction presented by Classical Numismatic Group.
Rothchild Catering & Conference Center
Saturday, November 1, 2025
Coinacopia Building
Saturday, November 1, 2025
Kalamazoo County Expo Center
Saturday, November 1, 2025
Whitman Expo
