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, where did you buy this one? Would you eventually sell it? Cheers, Florian
This is someone’s mug. They took a picture of it and put it on the Facebook page.