auteursrechten Zegevieren stoom walker & hall silver marks ondersteboven ernstig lever
Walker & Hall - Online Encyclopedia of Silver Marks, Hallmarks & Makers' Marks
Walker & Hall silversmiths: marks, history, information
Walker & Hall Date Letters - “A KEY TO THE DATE LETTERS TO BE FOUND ON WALKER & HALL SILVER PLATED WARES” AN IDEAL GIFT FOR ANY ANTIQUES COLLECTOR. Founded in 1845