IWMark wording
Undated
IW
Seen on objects dated 1750.
silver
Bennett Bennett, Douglas - Collecting Irish , Souvenir Press, 1984 shows James Whithorne (working dates 1725-1779) John Wilme I (working dates 1718-1754) and John Wilme II (working dates 1753-1774) for this mark - 5-pointed over, but illustrated by Bennett without pellet.