Watch List notes:

Small "tumbaga" silver bar ("half-brick" shape) #M-43, 2171 grams, stamped with assayer B~Vo, serial number RC and fineness iULXX (1070/2400 fine) plus partial tax stamp on other side, from the "Tumbaga wreck" (ca. 1528). 7" x 3-1/4" x 3/4". Smooth surfaces with clear markings (but not all on the same side, which is scarce), the tax stamp with clear (CAR)OLV(S), small diagonal assayer's "bite" in one corner, strangely low in fineness according to the marking but brightly silver-colored all over. From the "Tumbaga wreck" (ca. 1528). (Estimate: $4000 - 6000)