Stampdesc French Sudan, 75c-vio-unissued

desc_issuer: French Sudan
desc_denom: 75c
desc_color: vio
desc_unissued: 1

Used by 1 overprinted stamp:
French Sudan postage 9/28/1922 60c vio oc=blk on=75c-vio-unissued

Description does not match any stamp types!