Potosi, Bolivia, cob 2 reales Royal, 1706Y, extremely rare. S-P43a; CT-unl; KM-unl. 6.32 grams. Broad, thin and completely round flan (totally unlike the chunky regular issues), with good full pillars but doubled cross, minimal legend, deeply toned Fine. We have no records of this date and denomination before, and it is unlisted in both CT and KM as well. ($2000-3000)