Watch List notes:

Mexico City, Mexico, pillar 1 real, Ferdinand VI, 1750/49M, very rare overdate, ex-Rudman. KM-unl (76.1 for type), CT-unl (cf. 575). 3.14 grams. Gilboy-M-1-23a (R3), Yonaka-M1-50a (R3). Polished XF, clear overdate (very rare in both major references), dark red and purple toning around rims. Pedigreed to the Isaac Rudman collection.
($150-225)