The original poster showed some great anthropomorphic cat postcards, but didn't give a description (country of origin? Artist?).
Here is another one. This one is from Germany, but the artist is not credited. Caption says "Honor our great master!" I would guess that the cats are being sarcastic about the statue of the little girl with the hoop. After all, humans are pretty poor acrobats, compared to cats. I've seen other, similar cards by the same artist.
Card was sent from Frankfurt A/M to Oschersleben. Postmark is 18 October, 1937.