I've added over 600 new slot card listings to my Delcampe store over the past 5-6 weeks and I'm still adding more every day or two as I continue to work my way through the boxes of cards from the last collection I acquired back in April. There's over 10,600 cards currently listed, all with buy-it-now prices so no auction bidding involved and the items are always there with no expiration. Plus I can still deal direct with trades or purchases.
https://www.delcampe.net/en_GB/collectables/search?seller_ids%5B0%5D=554914&categories%5B0%5D=20485

Plus I still have a few tokens (including a bunch of fractional tokens) and chips left from that same collection
https://www.delcampe.net/en_GB/collectables/search?seller_ids%5B0%5D=554914&categories%5B0%5D=2027

And for room key collectors, I have over 850 hotel room key cards listed that includes casinos & regular hotels although you can use the search to see just the casino cards or specific hotels if need be.
https://www.delcampe.net/en_GB/collectables/search?seller_ids%5B0%5D=554914&categories%5B0%5D=20169

Lots of other stuff listed if you go to the main store and browse the different categories. Plus I still have a bunch of unlisted stuff that includes boxes of TITOs, a large quantity of bungie cord clips, pens, swizzle sticks and more. Contact me for more info.