Brazil
Jose I gold 6400 Reis 1776-R, KM172.2, AU53 NGC. Rio, (R), mint. An important date, historically. Little actual wear and with basically mark free surfaces. Quite attractive overall. Krause catalog price(s) for this item: $650 in VF, $800 in EF, $1200 in UNC.
Estimate: 1000-1250 USD