Silver "plata corriente" cut piece of a small, thick ingot with partial circular tax stamp of Charles I of Spain, 77.30 grams. Approx. 1-1/4" x 1-1/8" x 3/8". Thick, somewhat triangular chunk, broken on all three sides and somewhat "sandwashed" from circular and burial, the top with bold partial stamp showing (CA)ROLVS enhanced by dark toning.
Estimate: $600 - 900