Oman 1973 Orchids (With Scout Emblems) 5b (Broad Helleborine) set of 7 imperf progressive colour proofs comprising the 4 individual colours plus 2, 3 and all 4-colour composites unmounted mint
Oman 1973 Orchids (With Scout Emblems) 5b (Broad Helleborine) set of 7 imperf progressive colour proofs comprising the 4 individual colours plus 2, 3 and all 4-colour composites unmounted mint