Watch List notes:

Guatemala, "moclon" 2 reales, crown countermark (1662) on a Potosi, Bolivia, cob 2 reales, Philip IV, assayer O (1649-51), rare, ex-Richard Stuart. KM-unl; CT-type 175. 6.47 grams Choice and fascinating piece with full Type-B countermark (unlisted in KM with this host) at top of full shield with bold P-O to left, the cross also full, all with nicely toned fields and higher grade than usual (VF), also with contemporaneously applied serrated edge. Pedigreed to the Richard Stuart collection.
($250-375)