1960's - Outer's Gunslick Gunoil

This is a circa early 1960's "Gunslick" brand Gunoil made by Outer's Lab's (Laboratories), Onalaska, Wisconsin. - The bottle is about 90% full (fluid oz. contents are not noted on bottle or box), about 4" tall brown glass with a black metal screw-on cap. The bottle bottom is embossed with an "F" in hexagon, a mark used by the Fairmont Glass Company from 1933 to 1968.