Watch List notes:

Seville, Spain, gold cob 1 escudo, Philip III, assayer B, mounted cross-side out in fancy 18K gold bezel encircled by 25 diamonds and fixed bail. 8.86 grams total. An impressive and well-crafted mounting with the coin showing a full cross fixed in a 5mm-tall contour mount that elevates it from a halo of (approximately) 0.03-carat diamonds, with open back showing full shield with bold S-B to left, VF with light scratches, rich gold color.
($1500-2250)