Great Britain
George IV gold Sovereign 1830, KM696, VF+, Bare Head type. The last year of the type and a slightly better date. George married at age 23, and the marriage was declared invalid, since members of the royal family could not marry before 25 without the king's consent. Krause catalog price(s) for this item: $625 in VF, $1400 in EF, $2400 in UNC.
Estimate: 600-800 USD