desc_issuer: El Salvador desc_issue: 1916 desc_denom: 29c Used by 3 overprinted stamps: El Salvador postage 1920 15c blk issue=1920 provisional dt=National Theater oc=vio on=issue=1916-29c unwmk El Salvador postage 1920 26c blk issue=1920 provisional dt=National Theater oc=vio on=issue=1916-29c unwmk El Salvador official 1916 29c blk issue=1916 official dt=National Theater ovpt=OFICIAL oc=vio on=issue=1916-29c unwmk Not used by any images. Matches 1 type: El Salvador postage 1916 29c blk issue=1916 dt=National Theater unwmk |