desc_issuer: St. Helena desc_denom: 1/2p desc_color: grn&blk desc_denom2: 1/2p (# 12958) Used by 1 overprinted stamp: Ascension postage 11/2/1922 1/2p grn&blk issue=1922 d=Government House (St. Helena) & King George V ovpt=ASCENSION oc=blk on=issuer=St. Helena-1/2p-grn&blk wmk=mult crown & CA Not used by any images. Matches 1 type: St. Helena postage 1912 1/2p grn&blk issue=1912 d=Government House (St. Helena) & King George V wmk=mult crown & CA |