Hillsborough N.H. 3 different small straight line townmarks; "Hillsborough N.H." in brown on 1850 folded letter, "Hillsboro Br N.H." in green on embossed ladies cover and "Hillsboro Bridge, N.H." in green on 1849 folded letter, manuscript dates and "5" rates, Very Fine. Estimate  $200 - 300. $0 (Image)