2 silver penny postal stationery, handwritten cancelled in "Bhf Stavenhagen 10.9" with notation "invalid for Schwerin", with 2 Shilling postage due allocated, detailed photo expertize Florian Berger BPP ". The cover shows small defects. He is however the only me known piece one Strelitz postal stationery, the in Mecklenburg-Schwerin handwritten cancelled. " (1985) in this kind probably an unique piece!