Dug this surprise a few weeks ago here in Texas...embossed on the front "W. Hekelnkaemper/Atchison/Kan" and on the back "A. & D.H.C." Layer was 1860's...maybe slightly into the 1870's. It has got to have a fascinating story behind how it got from Kansas to Texas...we almost never find travelers like this, particularly in the early layers. Anyone know how hard these are to find?