I have the following obsolete chips from the 40s, 50s and 60s listed on e-bay. Low starting bids, no reserves.

$ 5 Town House Reno 1940s 1152751420
$25 The Shadows Reno 1960s 1152001670
$ 1 Stardust Lake Tahoe 1960s 1152902088
$ 5 Stardust Las Vegas 1950s 1152930496

Thank you for looking.