This Christmas gift envelope has fun with the homophones doe and dough. It is "A Gibson Card" and was produced by Gibson Cinti in the United States.
Alas, there was no cash remaining inside the envelope.
For some more holiday humor, check out Clean Christmas Puns and Jokes by Jean-Louis Bontront and the 2012 Papergreat post Kids Say the Darndest Things.
Also, why are there only 2,360 Google results for the search phrase "Batman laid an egg"?