Watch List notes:

Potosi, Bolivia, cob 4 reales, 1653E, PH at top, denomination 4 over rotated 4 above pillars (unique). S-P37a; KM-18. 13.30 grams. Bold full pillars-and-waves with bold date and denomination with 4 over rotated 4 (first and only specimen we have heard of), full but partially doubled cross with bold second date below, nicely toned VF, no corrosion but probably salvaged. ($350-450)