Stampdesc Middle Congo, 1fr-ultra&bl-unissued

desc_issuer: Middle Congo
desc_denom: 1fr
desc_color: ultra&bl
desc_unissued: 1

Used by 1 overprinted stamp:
Middle Congo postage 1927 1.50fr ultra&bl issue=provisional oc=blk on=1fr-ultra&bl-unissued

Description does not match any stamp types!