Not that I'm aware of. It will cost around $120 to get 48 decks. If you only use one color Tally-Ho, you can get 48 decks at Theory 11 and have 52 forcing decks.
If you like different colors, check out Kardwell's Tally Ho Pinochle Decks (each deck has 2 of the 9,10,J,Q,K,A for each...