Need source for poster of a cat hanging from rope with caption of ';When you are at end of rope, tie a knot';?

I have searched on Ebay and an art poster place. I didn't think it would be that hard to find. It shows a cat hanging by one claw at the end of the rope.Need source for poster of a cat hanging from rope with caption of ';When you are at end of rope, tie a knot';?
Try Spencers.

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