Watch List notes:

Guatemala, cob 4 reales, 1737 J. JP-4R5b; S-G1; Cal-1008; KM-5. 13.23 grams. Odd squarish shape, with bold full 737 of date and full denomination, toned XF+ with light surface pitting (probably ex-Reijgersdaal wreck of 1747), no hole.

Estimate: $300 - $450