Potosi, Bolivia, cob 1/2 real, 1701, ex-Mark Bir. KM-22. 1.18 grams. Full but weak monogram with partial date below, nearly full cross with bold date in legend, lightly toned Fine with surface oxidation as probably salvaged. Pedigreed to the Mark Bir collection (our Auction #6, with lot-tag #1157).
($60-90)