Hi Robert. Anything in particular from Colorado you're looking for? We've been collecting about 4 years so we don't have too many of the older chips but do have the newer ones.

Ed & Esther Barker
Lakewood, CO

PS: We tried to email this message to you using the address listed on your posting, but it came back as undeliverable, so I'm using this method to communicate with you. Hope you don't mind.