Fully hallmarked for London, England, dated 1784, maker's mark for Thomas Pratt & Arthur Humphreys (partly worn). Fully hallmarked for London, England, dated 1784, maker's mark for Thomas Pratt & Arthur Humphreys (partly worn). Sort by: price Lower to HigherHigher to Lower Showing the single result George III Silver Pap Boat, 1784. $750 Add to cart