Potosi, Bolivia, cob 8 reales, 1652E post-transitional (transitional Type VIII/B), 1-PH-6 at top. S-P37a; KM-21; CT-434. 27.43 grams. Broad, somewhat uneven flan with flat spots and very light surface corrosion yet still full weight (unspecified salvage), central details full plus third date in legend, overall AVF with toning all over. While Mastalir tracks die varieties, we consider this Type "post-transitional." Pedigreed to the Roberto Mastalir collection, #VIII.1-B.ea.x(1)6 in his book (page 236). ($400-600)