desc_issuer: Portuguese Congo desc_denom: 15r desc_color: graygrn Used by 1 overprinted stamp: Portuguese Congo postage 1911 15r graygrn issue=1911b ovpt=REPUBLICA oc=blk on=15r-graygrn Not used by any images. Matches 3 types: Portuguese Congo postage 1903 15r graygrn issue=1898 d=King Carlos (1898) Portuguese Congo postage 1911 15r graygrn issue=1911a ovpt=CONGO//REPUBLICA oc=blk on=issuer=Angola-15r-graygrn Portuguese Congo postage 1911 15r graygrn issue=1911b ovpt=REPUBLICA oc=blk on=15r-graygrn |