Marking:  Leopard's head crowned (London assay office mark);
 PL, pellet between, crown and mullet above, fleur-de-lis below (maker's mark for Paul de Lamerie, entered 1732).
Location of marks:
On underside of each, all marks incomplete but traces can be distinguished
George D. Widener ; Mrs. Eleanor Elkins Rice (until 1958; to MMA)