You should list them and scan if possible. If the $1 Vegas chips are all current you'd probably not get more than face plus postage. You might try to offer a trade but most of us Vegas collectors have the current ones and in my case nothing of any value of Australian chips for trade. TCG 10th is itself now 2+ years out of date but the common $1 chips usually stay in the B range unless a casino has closed. E.g., Maxims. However, even recently closed casino chips haven't risen much in value as we knew of the closings and were able to acquire at face chips for the collection or for trade. Good luck...wish I were a little younger as I would like to see your wonderful country--but the trip is just too long for my old bones.