Stampdesc French Guiana, 1fr-grn-unissued

desc_issuer: French Guiana
desc_denom: 1fr
desc_color: grn
desc_unissued: 1

Used by 1 overprinted stamp:
French Guiana postage 12/1923 10fr grn oc=blk on=1fr-grn-unissued

Description does not match any stamp types!