Mexico City, Mexico, cob 1 real, Philip V, assayer not visible, mounted cross-side out in 14K gold bezel chain-linked with 14K yellow gold bail bearing one diamond (.03 ct, F/G color and VS clarity). 5.27 grams total. Small, upside-down heart-shaped piece with partial shield and cross detail plus clear king's ordinal, suspended from a nice gold and diamond bail.
Estimate: 150 - 225 USD