Canada, John Smith, Combined Mower and Reaper, St. Gabriel Locks, Montreal, blue illustrated cameo corner card showing Combined Mower and Reaper, on cover to Warner, N.H., "Montreal, L.C., Ju 4, 1857" cds and matching "10" rate handstamp, with original enclosure, Very Fine and choice, an early illustrated ad cover; with 2013 P.F. certificate. Estimate  $300 - 400. $0 (Image)