Mexico
Felipe V Cob 8 Reales (171)3 Mo-J, KM47, Fine. Weight is 24.2 gm. The "3" of the date is clear. From the Spanish Treasure fleet of 1715 which sank off the coast of Florida. Mexico City mint, assayer, "J". Ex-Sedwick auction #8, lot 856. Auction tag included.
Estimate: 400-500 USD