Watch List notes:

Porto, Portugal, 400 reis, Pedro II, 1690. Gomes-26.02; KM-154.1. 12.55 grams. Broad, thin flan with full but lightly corroded details, spotty toning, the date to right (facing outward) weak but certain, also with clear P mintmark in quadrants of cross for the scarce Porto mint. With hand-signed post card and original certificate from the salvor. From: Association, sunk in 1707 off the Isles of Scilly, southwest of England
($200-300)