Papal States (1585-90) doppia Fr-352
"ITALIEN, Vatikan - Kirchenstaat, Sixtus V. 1585-1590. Doppia o. J. Bologna. Sehr selten. Fast sehr schön. (Papal States, Sixtus V, 1585-90, undated doppia, Bologna mint. Very rare, About very fine.)"Berman mentions two closely related issues: Ber-1356 has Caetani arms, Ber-1357 has Peretti arms. Both are very rare. Based on the Bologna scudo d'oro of 3.29 g, .904 fine, the doppia would be 6.58 g.
Recorded mintage: unknown.
Specification: 6.58 g, .904 fine gold, this specimen 6.43 g.
Catalog reference: Fr-352: Berman 1356.
- Berman, Allen G., Papal Coins, South Salem, NY: Attic Books, 1991.
- 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.
- Richter, Jürg, Auction 46, Gold Coins and Medals, Zurich: Sincona AG, 2018.