Watch List notes:

Seville, Spain, cob 4 reales, 1593 date to right, assayer B to left. CT-402. 12.10 grams. Choice full shield and cross-lions-castles, 100% full date but mintmark and assayer barely discernible (off the flan), lightly toned XF with probable (light) old clip on edge to explain the low weight. (Estimate: $150 - 225)