Marking:  lion passant (English quality mark for sterling);
 PL, script, crown above, pellet between and below (maker's mark for Paul de Lamerie, entered 1739).
Location of marks:
 on all blades on same side as crest; very worn on .64
 on blades of .64 and .66 on opposite side from crest; worn almost off of .62 and not visible on .63, .65, or .66.