Russia 1790-KM 1/4 kopek
This specimen was lot 318 in Sincona sale 19 (Zurich, October 2014), where it sold for CHF 1,400 (about US$1,755 including buyer's fees). The catalog description noted, "Polushka 1790, Suzun Mint, KM. Rare. 4 roubles acc. to Iljin. 2.5 roubles according to Petrov. 4 roubles according to Trapeznikov. Extremely fine." The polushka or quarter kopek was the smallest denomination and was produced in large numbers, tho the Suzun mint issues are scarce.
Recorded mintage: unknown.
Specification: 2.6 g, copper, this specimen 2.53 g.
Catalog reference: KM C-55.4; Bitkin 848 (R1). GM 29.15.
- Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.
- Bitkin, Vladimir, Composite Catalogue of Russian Coins, Part II (1740-1917), Kiev: Moneta, 2003.
- Brekke, B. F., The Copper Coinage of Imperial Russia, 1700-1917, New York, Galerie des Monnaies, 1977, with 1987 supplement.
- Harris, Robert P., Guidebook of Russian Coins, 1725 to 1970, Santa Cruz, CA: Bonanza Press, 1971.
- Shiryakov, I. V., and Jürg Richter, The Sincona Collection, Part 3 and Russian Coins & Medals from Other Properties, Zurich: Sincona AG, 2014.