British West Indies
British Colonial "NEVIS" Countermarked Black Dogg (1-1/2 Pence) ND (c. 1801) G6 NGC, KM1, Prid-5, Vlack-408. Struck over French Guiana - Cayenne Louis XVI 1789-A 2 Sous. A very scarce counterstamp issue, this example struck on a well-circulated flan.
Estimate: 400-600 USD