Francis GarthorneMaker name
Undated
silver
Seen on objects dated 1691–1693, 1722.
silver
Attributed as "certainly Francis Garthorne" by Mitchell Mitchell, David M. - Silversmiths in Elizabethan and Stuart London: their lives and their marks, Boydell Press, 2017 . Pre-Britannia standard mark re-used after 1720 without re-registration