The Minnesota Iceman - I saw it at a Wisconsin mall as a kid and it's haunted me

1968. A carny named Frank Hansen is hauling around a frozen 'creature' in a refrigerated coffin, showing it at fairs and shopping centers across the Midwest for a quarter a look. A hairy man-thing in a block of ice, face all twisted, one eye blown out, arm bent wrong. I saw it as a kid, can't rememb……