desc_issuer: Spanish Guinea desc_issue: 1931a desc_denom: 15c Used by 2 overprinted stamps: Spanish Guinea postage 1931 15c issue=1931b d=porter ovpt=REPUBLICA//ESPANOLA oc=blk on=issue=1931a-15c unwmk Spanish Guinea postage 1933 15c issue=1933 d=porter ovpt=Republica//Espanola oc=blk on=issue=1931a-15c unwmk Not used by any images. Matches 1 type: Spanish Guinea postage 1931 15c issue=1931a d=porter unwmk |