I've joined forces with the hobbyDB team to create a database of every Starbucks Mug ever made! You can use hobbyDB to manage your collection and wish list, show it off, find values for your mugs, and to trade, buy and sell. We currently have four volunteers and would love to have more join the team. If you'd like to help, contact the guys at hobbyDB.
Starbucks City Mugs 
Hi my name is mark Brigden is your Utah mug for sale or trade if so would you get back to me many thanks mark .
Hi, unfortunately, none of these mugs are for sale but collectors are actively trading on FB so please join us and grow your collection!
https://www.facebook.com/pages/Starbuck-City-Mugs-Collectors/237577116304434