Hallmark Information
Isle of Mull Silver Co. was established in 1975 by Philip Campbell and continues to produce a range of gold and silver items which are hand made on the Island and bear the Scottish Hallmark. This consists of the makers mark, PDAC in a quatrefoil, the standard marks, Lion Rampant for silver, a Crown for gold, a number indicating the purity of the metal, the Castle mark for Edinburgh Goldsmiths Hall, a letter mark indicating the date.