I am sharing some samples of eisenhauer blades dating 1849 from polish lost items in II world war :
http://dzielautracone.gov.pl/katalog...kt/?obid=50479
http://dzielautracone.gov.pl/katalog...kt/?obid=50881
Additionally pictures of eisenhauer blade mark on one side and M&C on the other side. Can someone tell me who could be a manufacturer? Usually those blades are German, but sometimes also Dutch. I guess some Solingen manufacturer but don't know which one.