desc_issuer: Bhutan desc_issue: snowman desc_denom: 6nu Used by 1 overprinted stamp: Bhutan postage 2/16/1968 6nu ovpt=grenoble etc oc=blk on=issue=snowman-6nu unwmk Not used by any images. Matches 1 type: Bhutan postage 11/15/1966 6nu issue=snowman unwmk |