GwG Denim Vest

 

One photo says MADE IN CANADA, so this may be a Canadian fabric: a beautiful vintage 1970s blue jean vest bei Jeans company GwG. Found in the WWW

Yes, it's Canada: http://gwgpiecebypiece.ca/en/history/index.html

Same vest, other pieces:

Some vintage GwG advertise from 1976 and 1980:

And at the end two women with blue jean vests by GwG