I wouldn't consider myself the ultimate Three Stooges aficionado on the planet...far from it.
This said, I'm rather familiar with their work and history and don't recall EVER seeing anything remotely like this. It's from 1938, comes to us via BoingBoing, and is evidently quite rare based on YouTube viewer reactions.
Check it out...it's amazing.
Stephen Slaughter Head pointed this out on Facebook...