1874 (Feb. 6) Boguslaw, Germany to Chicago, Ill., cover bearing German 1gr vertical pair cancelled by framed postmark to Lawrence, Kans., red crayon "2" rating, Hamburg (2.8) backstamp, blue "Chicago Ill. UNPAID Mar 2" backstamp and matching "U.S. Currency / 8" depreciated currency handstamp; minor flaws, Very Fine and scarce Chicago blue depreciated currency use. Estimate  $150 - 200. $0 (Image)