2 Sgr. ultramarinely, as an additional franking on GS envelope Prussian blue, with blue Ra1 "STETTIN" and again besides set to 2 Sgr. as a letter going abroad over travelling post office "STRALSUND/BERLIN" and Baden travelling post office on 10-20-1867 to Basel to Switzerland. A private owner cancel marks himself front and on the reverse, otherwise well got, more beautifully and in this kind of rare document