^Lot 486 MEXICO, Mexico City, cob 4 reales, 1679 L, extremely rare.

MEXICO, Mexico City, cob 4 reales, 1679 L, extremely rare. S-M21; KM-39; Cal-492. 11.03 grams. Bold full 79 of date above certain oML to left of nearly full but off-center shield, good full cross, thin from corrosion, odd-shaped flan, very lightly toned. Only one other clear example of this date has been confirmed in this denomination (Banco de Mexico 21338), although we have handled one other likely candidate (Sedwick Auction 23 lot 438). With original certificate from the salvor/conservator. Recovered from: Joanna, sunk in 1682 off South Africa