10c Black (2). Horizontal
pair, large margins mostly all around, ample at bottom right, deep shade,
tied by red grids, matching "U.S. Express Mail Boston Mass. Apr. 25"
route agent's circular datestamp on greenish folded cover to
Philadelphia, from the Ludlow Beebee & Co. correspondence, scissors-cut in
margin between stamps at topEXTREMELY FINE PAIR AND SCARCE USAGE WITH AN UNUSUALLY CLEAR STRIKE OF THE U.S. EXPRESS MAIL ROUTE AGENT'S MARKING.
With 1988 P.F. certificate (Image)