I really doubt Ruscha was thinking about the just-starting-to-brew (haha) Coors boycotts, which didn't really get going until the 1970s, but the timing is interesting.

RT @ArtistRuscha@twitter.com

Edward Ruscha, Beer (Coors) from Stains, 1969 #museumofmodernart #edwardruscha http://www.moma.org/collection/works/62661

🐦🔗: https://twitter.com/ArtistRuscha/status/1590727214420590597