Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip III, assayer F. 23.14 grams. Bold full oMF, nearly full but partially flat shield and cross, crude peripheries and edge, VF or so but with light surface corrosion (and some dark toning) as from unspecified wreck (probably "Rill Cove" of ca. 1618). Pedigreed to the Cayon auction of February 2012, with original lot-card and tag #766 plus Spanish export certificate.
(125 - 200 USD)