This vintage coffee mug is green on the outside and is marked “GlasBake” and “made in  USA”.  It has been used, so examine the photos, they are part of the description.  The cup measures 3.25 inches tall by 3.4 inches in diameter at the rim and 4.3 inches wide with the handle.

This was in a deceased relative’s collection of things and has been in storage for decades.

This is item 8098.