"I’ll pinch the whole three of them"
The goggle-eyed policeman views an indecency.
But open the paper flap…
Fooled you that time, it’s only three little pigs!
It’s an optical illusion trick novelty postcard from the 1930s: Vintage Sleaze Trick Novelty Postcard, Vintage Sleaze>>
I had previously posted another version of this novelty gag (3 naked little pigs – an optical illusion postcard>>) but the one above is in color and also has the virtue of casual racism.