Watch List notes:

Small silver "plata corriente" cut piece with partial tax stamp visible, 12.58 grams. Roughly 5/8" x 1/2" x 3/8". Sharply cut interior piece (more or less cubic) with parts of two circular tax stamps on narrow top side, one showing ILI of PHILIPVS (Philip II, which is rare), brownish sediment in crevices.
(300 - 450 USD)