ENGLISH PEWTER PORRINGER, EAR MARKED WITH MAKER'S INITIALS AND DATED 1716,18th century. Mark is attributed to maker Thomas Mathew of London, ref: Cotterell's O.P.M.M. #3138. Mathews listed his mark in 1716. - Dia.: 4 3/8 in.; L: 6 5/8 in.; H: 1 3/8 in. Estimate $250-350