19th CENTURY MAIL; Trio with 1862 unpaid env. to USA with Guayaquil d.s. on rear with "PANAMA" double-arc d.s., "PAID - TO/PANAMA" h.s. and circular "STEAMSHIP/10" marks on front, 1872 EL to NY franked GB 6d Lilac tied by "C35" b/n with Guayaquil cds on rear and the front with Panama transit cds and "N.Y.STEAM SHIP" cds and 1876 E to Paris with Guayaquil d.s. on rear and "PANAMA/TRANSIT" three-line d.s. and "T/1-70" h.s. on front. (3 covers) Cross Reference: G.B USED ABROAD STAMPS & COVERS, UNITED STATES OF AMERICA (Image)