There's chip on base, see pics.

The Starbucks Barista Tall Green/teal Rocket Tumbler Travel Mug is a collectible advertising item featuring the Starbucks brand. This original 2001 creation showcases the theme of coffee and tea, making it a sought-after piece for fans of the popular coffee chain. With a sleek blue color and the iconic Starbucks logo, this travel mug is a must-have for any Starbucks enthusiast looking to add a unique and stylish piece to their collection.