Registered cover franked with 1909 5c black & blue and 10c black & purple issue of Panama with 'CANAL ZONE' overprint TYPE 2 (SG 42/43) tied by multiple strike of undated oval CRISTOBAL CANAL ZONE cancels in black with 'Registered No. 3017' handstamp in purple alongside. Addressed to FRANCE with transit & arrival cds's on reverse.