Guyana 1985-89 Orchids Series 1 plate 93 (Sanders' Reichenbachia) 80c unmounted mint, unlisted by SG without surcharge*
Guyana 1985-89 Orchids Series 1 plate 93 (Sanders' Reichenbachia) 80c unmounted mint, unlisted by SG without surcharge*
Guyana 1985-89 Orchids Series 1 plate 93 (Sanders' Reichenbachia) 80c unmounted mint, unlisted by SG without surcharge*