Stampdesc Gabon, 3fr-redvio-unissued

desc_issuer: Gabon
desc_denom: 3fr
desc_color: redvio
desc_unissued: 1

Used by 1 overprinted stamp:
Gabon postage 1930 3fr redvio issue=1924 ovpt=AFRIQUE EQUATORIALE//FRANCAIS oc=blk on=3fr-redvio-unissued

Description does not match any stamp types!