Starbucks Confetti Glitter Glass Mug Handle Teal/Purple 12 oz USED

Starbucks Confetti Glitter Glass Mug Handle Teal/Purple 12 oz / 355ML SKU# 011125812 MAde in CHINA The Handle has a reactive, burned spot. Looks like it may have reacted to heating elements in a dishwasher or microwaved ? See pictures of the area that got burned. Other That that the mug is in perfect / functional condition. Theses mugs fetch up to 50.00 brand new. Questions? Leave a comment below!