Really Minnesota Sewing Machine. Pre- 1920's possibly. Foot driven sewing system.
Here are some sewing machines like it on google search:
/search?q=antique+minnesota+sewing+machine+value&rlz=1C1CHFX_enUS519US519&oq=Antique+Minnesota&aqs=chrome.1.69i57j0l5.12239j0j8&sourceid=chrome&es_sm=93&ie=UTF-8