This set of four vintage Hull pottery coffee mug in brown drip glaze is very collectible right now as people are reviewing natural stoneware. These coffee cups are oven-proof and have a glossy finish. They have a 3.75” Tall by 3 5/8” opening, with handle 5 1/8” wide. 9 oz. capacity, a nice large cup for your coffee. The mugs are of original vintage production from 1960-1969 and have the original/licensed reproduction. Oven proof, USA. Excellent condition no chips, cracks or crazing.