Leavitt, "Boston Mass.", Type X3A, Die A with 17 bar canceler having a 6mm. channel, ties 1881, 1¢ gray blue on third class cover to Germantown Pa., fancy "Raymond's Vacation Excursions" corner card; no flap, Fine and rare, The Boston Leavitt Type X3A is known used only from September 1882. Scott No. 206  Estimate $300 - 400. $0 (Image)