Panama, 1922, 5c registration envelope on buff, 165x95mm, used with two 1c Arms (235) singles to Chicago Ill., tied by "Colon, Oct 31 1925" duplexes, purple "R/Agencia Postal, Colon" registry framed handstamp with blue "7431" handstamp, New York (11.9) transit oval, purple Chicago (11.11) arrival backstamp. Higgins and Gage No. C1  Estimate $150 - 200. $0 (Image)