Papal States (1817) doppia
The first specimen was lot 25185 in Heritage sale 3026 (Long Beach, October 2013), where it sold for $1,880. The catalog description noted, "Papal States. Pius VII gold Doppia 1817-R Anno XVIII, MS63 NGC, well-struck with full mint luster, tiny natural flan flaw near the rim." A doppia may originally have been a double ducat but by this period was substantially lighter. The SCWC lists this type for 1815, 1817 and 1823. The last doppia was struck in 1834.
Recorded mintage: unknown.
Specification: 5.46 g, .917 fine gold.
Catalog reference: KM 1076, Fr-248, Ber-3217.
- Berman, Allen G., Papal Coins, South Salem, NY: Attic Books, 1991.
- Gigante, Fabio, Gigante 2016: Catalogo Nazionale delle Monete Italiano Dal '700 All'Euro, 24a ed. Varese, Italy, 2015.
- Montenegro, Eupremio, Montenegro 2015: Manuale del Collezionista di Monete Italiane, 30 ed., Torino, Italy: Montenegro s.a.s., 2014.
- Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1801-1900, 7th ed., Iola, WI: Krause Publications, 2012.
- Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 7th ed., Clifton, NJ: Coin and Currency Institute, 2003.
- Bierrenbach, Cristiano, Warren Tucker and Scott Cordry, Heritage Signature Auction 3026, World & Ancient Coins, featuring the RLM Collection, Part Two, the Nogales Collection and the Goetz Medals Die Archive, Dallas, TX: Heritage Auction Galleries, 2013.