1874 (Dec. 20) Philadelphia Pa. to Russikon, Switzerland, blue folded letter bearing 10¢ brown (161) tied by Philadelphia three-bar grid foreign mail cancel, Philadelphia merchant oval, endorsed "Per Str. Mosel from New York" at top, red "New York Paid All via Eng. & Ostd. Dec 20" exchange cds, Basel (1.2.74) backstamp, Very Fine and choice use, ex-Mercedes, Kirke, Richards. Estimate  $300 - 400. This cover was carried privately from Philadelphia to New York City after cancellation, and not postmarked until handled by the New York exchange office. It was carried on NGL Line "Mosel" arriving at Southampton on December 31, 1873. $0 (Image)