Our 71st Guinness ad is also from the “Guinness For Strength” series, with the yield of vegetables a direct result of the bottle of Guinness peeking out of the basket the gardener is carrying on his head. Now that’s a green thumb.
And here’s a variation of the ad, presumably from just after World War 2, since the word “victory” is crossed-out and “plenty” written in just above it.