1874, Coat of arms with overprint "CONTRA SELLO" 2r. green, tied by mute cancel to envelope with adjacent cds. "SAN SALVADOR 29 DICIEMBRE 1874" endorsed "per Royal Mail" to Liverpool with black "PANAMA TRANSIT 12 JA 1875" and arrival alongside, upon arrival charged with "1/6", some minor aging some usual opening faults, a fine and scarce entire
