Lot
3479 
(Sewing) Grober & Baker, Sewing Machine Co., Pittsburgh, Pa., gray illustrated shaded ad showing Women at Sewing Machine, on cover frank3ed with 1870, 6¢ carmine tied by "Pittsburgh, Pa., Jun 30" cds and fancy star in circle duplex; slight cover reductions at sides, Very Fine. Scott No. 148 Estimate $150 - 200.
Realized: $80