HMO Chicago Livestock Tattoo Pliers Tool 11" - Cattle Sheep Goat

A vintage livestock tattoo pliers - marking branding tool. The maker is from Chicago Ill., but I can not maker out the name. 

The letters are HMO. Kinda, how I felt when my past HMO insurance told where to go - branded and owned. 

Large heavy pliers 11" length... weight 2 lbs.

Used and aged condition.