Bhutan 1978 World Population Control (25ch on 2n50) from Prov Surcharge set of 26 of which only 2,600 sets were issued, unmounted mint SG 399, Mi 694*
Bhutan 1978 World Population Control (25ch on 2n50) from Prov Surcharge set of 26 of which only 2,600 sets were issued, unmounted mint SG 399, Mi 694*