Potosi, Bolivia, cob 8 reales, 1652E transitional Type V (very rare variety), Plate Coin in CT. S-P37; KM-A20.5; CT-unl. 26.54 grams. Uneven "fat barrel" shape with weak centers and parts of edge crude (otherwise AXF) but with bold full date and king's name and ordinal in legend, choice full crown above pillars, nicely toned. This coin stands alone in the Mastalir treatise as a unique subtype (not just die variety) with P instead of F at top left. Also note the shipwreck source stated in Mastalir. Pedigreed to the Roberto Mastalir collection, #V.4-A.ac(1)1 in his book (page 140), and pedigreed to our Auction #8, with original lot-tag #602, also Plate Coin #432 on page 320 of Calico's Numismatica espanola (2008). ($1500-2250)