Dominica 1978 History of Aviation (Cornu's Helicopter) $16 embossed on 23k gold foil unmounted mint
Dominica 1978 History of Aviation (Cornu's Helicopter) $16 embossed on 23k gold foil unmounted mint
Dominica 1978 History of Aviation (Cornu's Helicopter) $16 embossed on 23k gold foil unmounted mint