BOLIVIA, Potosí, cob 8 reales, 1666 E, ex-Woodside. S-P37a; KM-21; Cal-1532. 26.22 grams. VF with parts of all three dates including the ever-popular "666" below cross, full pillars and cross with a little flatness, rich silver-gray toning all over, thin edge-crack as made. Pedigreed to the Rob Woodside Collection.