Potosi, Bolivia, cob 8 reales, 1652E transitional Type VII/B, rare, from the Capitana (1654). S-P37; KM-unl; CT-unl. 24.06 grams. Choice full details on both sides despite light surface corrosion, nicely toned AXF overall, with all three dates and mintmarks and assayers, also full king's name and ordinal. This is a rare subtype and one of only two known of this die variety, according to Mastalir. Pedigreed to the Roberto Mastalir collection, #VII.a-B.aa.x(2)1 in his book (page 178), from the Capitana (1654). ($1000-1500)