1859, 10¢ green, type V, tied by large Boston "Paid" in grid handstamp paying the forwarding on incoming cover from London, England, additionally franked with G.B. 1858, 1sh green tied by "16" in bar oval cancel, forwarded to Toronto, Canada with "Boston, Ms., 10cts, Sep 3, 1860" exchange cds, red "United States" in oval handstamp and additional Boston initial receiving postmark, reverse with London origin and Toronto receiving postmarks, Very Fine, an unusual and scarce forwarding usage; with 2014 P.F. certificate. Scott No. 35+G.B. 28  Estimate $1,000 - 1,500. $0 (Image)