Marking:  Britannia (English quality mark for sterling);
 Lion's head erased (English quality mark for sterling);
 Gothic r (London date letter for 1712–13);
 a peacock's tail, partial strike (upper part of maker's mark for Simon Pantin).
Location of marks:
– on underside of body, inside foot ring;
 inside of cover, partial strike, and also on insetting flange of cover, partial strike.
Irwin Untermyer (until 1970; to MMA)