Watch List notes:

Potosi, Bolivia, cob 1 real, 1686VR, ex-Bir. S-P40; KM-23; CT-725. 2.99 grams. Double-struck AVF with full pillars and cross, two bold dates, nice rich toning. From the Mark Bir collection (our Auction #6, with original lot-tag #1111), with his tag.
($50-75)