Prussia 1909-J 20 mark
This specimen was lot 12243 in Ponterio sale 177 (Chicago, August 2013), where it sold for $3,995. The catalog description noted, "GERMANY. Prussia. 20 Mark, 1909-J. PCGS PROOF-65 DEEP CAMEO." This specimen is one of a type struck 1890-1913 at Berlin (mintmark "A") and Hamburg (mintmark "J"). Most of the later dates, including this one, are common but the proofs are rare.
Recorded mintage: 350,128 plus a few proofs.
Specification: 7.965 g, .900 fine gold, .230 troy oz AGW, lettered edge.
Catalog reference: Fr-3832; KM-521.
- 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.
- Ponterio, Richard, Ponterio sale 177: The August 2013 Chicago ANA Auction, World Coins, Irvine, CA: Stack's Bowers, LLC, 2013.