Not too long ago I tossed a bunch :(

Semi-old ones I still have are:

1 Deck from NV Club, Reno
2 Decks from Crystal Bay Club (before it was sold)

I have a # of fairly recent decks from casinos in Tahoe, Reno, and the Nugget in Carson City

I go to a White Elephant sale every year where they have tons of cards. If you let me know what to look for, I will keep an eye out for them.