Watch List notes:

Seville, Spain, milled 1 real "half pistareen," Philip V, 1733PA, mounted in 14K gold men's ring, very rare provenance. KM-354; CT-1720. 16.21 grams total. XF details, no corrosion, mounted cross-side up, obscure provenance that yielded only a few coins like this about twenty years ago. With certificates. Recovered from: Invencible, sunk in 1741 off Havana, Cuba

Estimate: $250 - 375