Lot
2004 
1909, 1¢ green, bluish paper, horizontal pair, tied on piece by "Boston Mass. Jul 7 1909" machine cancel, Fine and scarce used multiple, According to the Philatelic Foundation records, this is the only certified Boston Mass. use on piece or cover., ex-Murphy; with 1992 P.F. certificate. Scott No. 357 $200 as used singles.