Prussia 1909-A 10 mark
This specimen was lot 33897 in Heritage sale 3082 (New York, January 2020), where it sold for $1,080. The catalog description noted, "German States: Prussia. Wilhelm II gold Proof 10 Mark 1909-A PR64 Cameo NGC, Berlin mint." This type, issued 1890-1913, is common and is a product of the Berlin mint. The proofs are rare.
Recorded mintage: 531,934 plus proofs.
Specification: 3.98 g, .900 fine gold, .115 troy oz AGW.
Catalog reference: KM 520, Fr-3835, J-251.
- Craig, William D., Germanic Coinages: Charlemagne through Wilhelm II, Mountain View, CA: 1954.
- Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.
- Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 9th ed., Clifton, NJ: Coin and Currency Institute, 2017.
- Bierrenbach, Cristiano, Warren Tucker and Sam Spiegel, Heritage World and Ancient Coins Online Auction 3082, featuring the Caranett Collection, Dallas, TX: Heritage Auction Galleries, 2019.