Watch List notes:

Potosi, Bolivia, cob 2 reales, 165(1-2) E, rare, ex-Mastalir (Plate Coin). S-P36; KM-14b. 5.00 grams. Choice XF piece struck on a broad irregular flan with full shield and cross (the latter doubled), partially dated, dark gray toned. Pedigreed to the Robert Mastalir collection, plated on page 257 of his 2021 book The Great Transition at the Potosi Mint 1649-1652 / The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652 / Part A: The 1649-1652 Crowned Shield Coinage, and pedigreed to our Auction 9 (lot 669). From: Capitana, sunk in 1654 off Chanduy, Ecuador
($150-225)