GAMBIA. 500 Dalasis, 1977. Llantrisant Mint. NGC PROOF-67 Ultra Cameo.
Fr-1; KM-19. Conservation Series, Sitatunga. Mintage: 699. This phenomenal example of the scarcely encountered type displays an exceptional cameo effect with hard mirrored fields and frosty devices.
Estimate: $1900 - $2300