1855, postage cover with box cancel of 2 lines "STETTIN 15 2 (1855) " to Rheims / France, on face always in red stamp pad ink one-line cancel "P. R. threefold R. " (Saarbrücken), tax cancel "55" (by mistake and handwritten on "7" decimes corrected) and transit crossing two ring cancel "PRUSSE 3 FORBACH", complete letter contents