Watch List notes:

USA, regulated $15, Joseph Edwards plug and countermark (Boston, ca. 1780) on a Lima, Peru, cob 8 escudos, 1741V, extremely rare, NGC XF 40, ex-Brown (Chapman, 1911). 26.46 grams. (see separate writeup) Pedigreed to the Julius L. Brown collection (S.H. Chapman auction of 1911, plated as lot 343). Follow the link for complete description and special article: http://www.sedwickcoins.com/ta23/special_article_regulated_gold_lot83.pdf

Estimate: $100000-200000