1841 CAMBS/'WHITTLESEA' UDC (CB153)/WAFER SEAL. Envelope Peterborough to Huntingdon with four margined 1d (SG8) lettered IF cancelled fine black M.C. and alongside fine WHITTLESEA udc in black (CB153). On reverse wafer seal in red with gothic style "B" and back stamped PETERBOROUGH JY 18 1841. (Ref 87529).