Details
cover 1877 (5 Mar.) registered envelope to San Francisco, U.S.A. via N.Y. bearing 20pf. (2½d.) lilac-carmine, blue-green and yellow (I printing) horizontal pair cancelled by double arc d.s., with circular framed "Paid/Franco" h.s. in red and showing three-line New York registered d.s. and "CARRIER" c.d.s. on reverse. Scarce first printing franking to an unusual destination. M. 18a. Photo