I would say that some of these chips are very hard to come by. I say that because a hand full are not included yet in the online guide for Australia.
I could not find the three Adelaide roulettes and the $4 Sheraton Breakwater chip is shown drilled, just to name a few please take a look.

ebay link---->
http://shop.ebay.com/merchant/westen

http://shop.ebay.com/merchant/westen

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