Watch List notes:

Small silver "plata corriente" cut piece with partial tax stamp visible, 15.08 grams. Roughly 3/4" 3/4" x 1/4". Triangular piece of the interior of a "splash" ingot, showing a small but clear portion of the stamp with "PP" (for PHILIPPVS, hence Philip II) visible. (Estimate: $100 - 150)