(Multiples) 1¢ Blue, block of six, tied by circular six-section grid cancels on Boston Steam and Gas Pipe Works corner card cover to New Bedford Mass., red "Boston Mass Sep 25" cds, Sep. 25th receiving backstamp; reduced at right and bottom, some faults, Fine and scarce use of block prepaying. Scott No. 63  Estimate $300 - 400. $0 (Image)