1874, Coat of arms with overprint "CONTRA SELLO" ½r. blue, block of four, with black boxed "FRANCO" on cover with adjacent blue "CORREOS del SALVADOR PAQUETES. NOV 24 1875" to Bordeaux, black "PANAMA-TRANSIT DE 4 75" and accountancy mark "GB 1F 90c" alongside, upon arrival charged with "15" decimes, adhesives afficed slighlty over edge, some faults, cover some rebacked opening faults at base, a scarce and atrractive entire
