1874, railroad fee slip of paper, on all sides having full to wide margins on multiple related folded letter cover from HALLE A / S 2 5.1.80 to Königsberg, inside once used from Königsberg to Halle with notation "Per troop commanders) and 1. use with railroad fee slip of paper (full margins) from HALLE A / S 2 30.12.79 to Königsberg, as usual fold traces, in this combination probable an unique use from two fee slips of paper!