#10, 13, 15, 1874 "Contrasello" 1r Red, 1879 1c Green and two 5c Blue, used on January 4, 1881 envelope to Paris, tied by blue target cross types with "Correos de San Salvador" c.d.s. at left, showing "Pasó el Correo" straight line and French entry on front, Panama transit on reverse; the UPU rate to France via Panama was 11c, thus this cover was overpaid by 1c; tear at top of cover extends from left of 1c adhesive to edge of upper 5c stamp, a very rare mixed franking accompanied by 2009 Moorhouse certificate; also 1889 10p postal stationery envelope from La Libertad to Paris, up-rated with 1879 1c cancelled by start type with New York transit, some faults to cover; ex-Hennan. (Image)

Est. $750-1,000