Coloured PPC 'Y.M.C.A. Culebra, Canal Zone, Panama' franked on message side with 1909 1c black & green (SG 47) tied by FORT SHERMAN C.Z. duplex cds and fair strike of large boxed 'P.C.D. MILITARY CENSORSHIP PASSED BY' censor mark in red. Addressed to USA. Scarce.