desc_issuer: Bolivia desc_issue: La Paz 400th desc_denom: 3b Used by 1 overprinted stamp: Bolivia postage 2/14/1957 50b bl&blk issue=1957 surcharges d=La Gasca ordering Mendoza to found La Paz oc=blk on=issue=La Paz 400th-3b unwmk Not used by any images. Matches 2 types: Bolivia airmail 3/15/1951 3b bl&blk issue=La Paz 400th d=La Gasca ordering Mendoza to found La Paz unwmk Bolivia postage 3/15/1951 3b pur&blk issue=La Paz 400th d=La Gasca ordering Mendoza to found La Paz unwmk |