Coffee Mug Cup Studio Art Pottery Ceramic Blue/Tan Drip Glaze w/Grey Interior . Condition is Used. Shipped with USPS Priority Mail. This is a very nice studio art pottery blue/tan drip glaze coffee mug/cup. This item is in mint condition, there are no chips, cracks, nicks, or crazing. This piece does not have an artists mark or signature. The drip glaze starts out very thick and heavy near the rim and you can feel the texture of the drips. The combination of the blue drip glazed exterior is complimented by the gray interior. Very attractive mug. Measures 3 1/2" tall and 4 1/2" in diameter. This mug is very comfortable to hold and a nice hand warmer during the cold winter months.