Marc, The Bally's chip might be a little difficult finding in new condition. However, the Flamingo chips are always on ebay. Most are in new to su condition.
http://www.ebay.com/itm/Flamingo-5-Casino-Chip-HOTEL-CASINO-Las-Vegas-NV-/400264414588?pt=LH_DefaultDomain_0&hash=item5d319e457c
Hope this helps.
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