Historical Context
Issued by the German Democratic Republic (East Germany) in 1966.
Commemorates the 250th anniversary of Gottfried Wilhelm Leibniz’s death—the renowned mathematician and philosopher (1646–1716), known for his independent development of calculus and contributions to philosophy during the Enlightenment era.
KM Number: KM #16.1
Composition: 80% Silver, 20% Copper → pure silver content ≈ 0.5376 oz
Weight: 20.9 g
Diameter: 33 mm
Edge: Smooth with inscription “20 MARK DER DEUTSCHEN NOTENBANK”
Design:
Obverse: GDR state emblem, denomination “20 MDN,” country name, and date “1966”
Reverse: Right-facing profile of Leibniz with inscription “GOTTFRIED WILHELM LEIBNIZ • 1646‑1716,” designed by Gerhard Rommel and Dietrich Dorfstecher. The Reverse has some very tiny edge nicks, check the scans.
Mintage: 50,000 pieces struck
This coin holds both historical significance—commemorating a key Enlightenment figure—and numismatic appeal. The combination of its modest mintage and silver content gives it enduring collector interest. Your Coin will be supplied as soon as payment is received. If you have any questions let me know before you bid. Shipping in the US is free. These rates do not apply to foreign purchasers, the rates depend on the country. You can rest assured I will find the cheapest and safest option, please check before you bid. I combine shipments. Thanks and good luck!