This is a 1979 McMinnville High School State AAA basketball champion glass mug with the Grizzlies logo in red and white on one side and the win/lose record in red on the other side.
The mug measures about 5.5" tall, and 5" wide including the handle, 3" in diameter, and 4.75" deep.
The item is in pre-owned condition with signs of wear and stains.