Bhutan 1990 Butterflies - Intermediate stage computer-generated essay #3 (as submitted for approval) for 1nu value (Prioneris thestylis) 100 x 160 mm very similar to issued design plus marginal markings, ex Government archives and……Details Below

Bhutan 1990 Butterflies - Intermediate stage computer-generated essay #3 (as submitted for approval) for 1nu value (Prioneris thestylis) 100 x 160 mm very similar to issued design plus marginal markings, ex Government archives and probably unique (as Sc 823)