Canal Zone, Nov. 8, 1909, 5c deep blue & black Justo Arosemena (#33) pair with 2c vermilion and blackal Cordoba (#32) on REGISTERED Isthmian Canal Commission, Official Business (crossed out) Penalty cover with bold blue ANCON, Dec. 19, 1910, REGISTERED cancel (Rg-7) and red Cristobal registry Exchange label handstamp (RgXL-3a), from J.C. Perry to J.M. Bartels in NY. Backstamps including Cristobal (12-19) RECEIVED (Rc-5) and  New York (12-27) REC'D REG'Y. Stamps are early printings, Canal 10.5mm (CZSG #33.A and 32.A) and pay 2c first ounce and 10c registry fee. Ex-Crumpacker. Delightful and Desirable Registered Usage!