Guinness summer survival kit / 1977

An interesting below the line promotion for Guinness from 1977.  Twelve cards (6 x 4 inches) in a plastic wallet.  The company, for decades, produced quirky and entertaining advertising, initially posters and when commercial TV started eye-catching ads.  Like most drinks the product hardly change from one decade to the next so the USP has to work hard to keep consumers interested.  The Summer survival kit does its job.