Size M Vintage 1970s Gaytown Jean Jacket

Vintage 1970s slightly fitted jean jacket in a medium blue cotton denim fabric, no stretch. Front buttons, patch pockets, back center slit, unlined. ***There is some discoloration around back collar (see last photo)*** Label says Gaytown Sportswear Toronto, 100% Cotton, Size 11/12 on tag. Measures 37" around bust, 33" around waist, 41" around bottom of jacket, length is 25". Fabric does not stretch. Shown on a size small model with 34" bust. This is a pre-loved, vintage second hand item.