Italy
Papal States. Innocent XI Testone Anno XIII (1688) MS66 NGC, Rome mint, cf. KM-A495 (this date unlisted). A hardly improvable piece for even the most discerning collector.
https://coins.ha.com/itm/italy/italy-papal-states-innocent-xi-testone-anno-xiii-1688-ms66-ngc-/a/3082-34351.s?type=CoinArchives3082
HID02906262019
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Estimate: 800-1000 USD