Guyana 1985-89 Orchids Series 2 plate 89 (Sanders' Reichenbachia) unmounted mint imperf single in black & yellow colours only with blue & red from another value (plate 78) printed inverted, most unusual and spectacular*
Guyana 1985-89 Orchids Series 2 plate 89 (Sanders' Reichenbachia) unmounted mint imperf single in black & yellow colours only with blue & red from another value (plate 78) printed inverted, most unusual and spectacular*