Hull Pottery's Brown Drip Coffee Mug or Cup. Marked

Hull Pottery's Brown Drip Coffee Mug or Cup. Marked Hull, Ovenproof, U.S.A. These mugs are heavy and measure 3 1/2" tall. No chips or cracks, just a teeny speck of extra clay from manufacture on the bottom.2 available. $5/each plus shipping.I need to know the zipcode to estimate shipping cost.