Papal States (1655) 1/2 grosso KM-264

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from the Tom Fitzgerald Collection
Papal States 1655 mezzo grosso rev Tom F.jpg

This type was minted in 1655 as a sede vacante issue after the death of Innocent X. The specimen shown would be quite expensive but for the hole. Four different mezze grossi were struck in 1676, of which only two have a photo in the SCWC. The mezzo grosso was two and a half baiocchi, while the piastra, the Italian equivalent of the German thaler, was 105 baiocchi (3½ testone).

Recorded mintage: unknown.

Specification: 0.78 g, silver, .917 fine.

Catalog reference: KM-264, Ber-1891.


  • Berman, Allen G., Papal Coins, South Salem, NY: Attic Books, 1991.
  • Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1601-1700, 6th ed., Iola, WI: Krause Publications, 2014.

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