desc_issuer: Antigua desc_issue: United Nations Conference on Environment and Development desc_denom: $6 Used by 1 overprinted stamp: Barbuda postage 8/16/1993 $6 multi issue=Earth Summit '92 d=monarch butterfly Danaus plexippus (1992) on=issuer=Antigua-issue=United Nations Conference on Environment and Development-$6 unwmk Not used by any images. Matches 1 type: Antigua postage 12/14/1992 $6 multi issue=United Nations Conference on Environment and Development d=monarch butterfly Danaus plexippus (1992) unwmk |