^Lot 270 BOLIVIA, Potosí, clump of three cob 1R in encrustation, Philip IV and Charles II, one with visible d

BOLIVIA, Potosí, clump of three cob 1R in encrustation, Philip IV and Charles II, one with visible date 1677 assayers not visible. 8.12 grams. Roughly 1¼" x ¾" x ¼". Three small cobs in a fallen stack with much tan encrustation in between, one with barely visible date 1677 but the others too worn to read. With original ROBCAR tag and photo-certificate M100430. Recovered from: Consolación, sunk in 1681 off Santa Clara Island, Ecuador