score sportswear

I am not sure if it is horsehide or steerhide, also is it 50s or 60s or 70s ? Any help is appreciated

Anyone familiar with this jacket? If not, it's kind of a Buco J-100's oddball variety with an off-center side-zip, more of a leather shirt than a jacket. I know it was originally inspired by Score Sportswear out of Canada and, if I recall correctly, there is a picture included in Rin Tanaka's...