1902 / 1917 railway mail, lot with 19 picture postcards / postcards, all with railway mail postmarks cancelled, as well interesting stretch alike STRALSUND-TRIEBSEES, Wiesbaden ADDRESSED INFORMALLY, CASSEL-SALZDERHELDEN, Erford RITSCHENHAUSEN, HOYA-SYKE, LETHMATE-UNNA, EUSKIRCHEN-NEUSS etc., furthermore express messenger-postcard Cologne Frankfurt (former starting price 80)