Argentina, , Envelope sent to USA, endorded "via England per RMS Maskelyne". Franked with 5 c in pair tied by BUENOS AIRES 1876.1.7 cds in combination with England 1870 4d and 10d, unusualy tied by negative mailbag seal, reverse with Lindon, New York, and Cincinnati arr cds. Fine and rare mixed franking. (Image1)