Weight - 408.3 grains
Sold by B. Max Mehl in 1933 - Lammot duPont -
Willis H. duPont. This coin was stolen from the duPonts at
gunpoint in October 1967 and was retrieved in July 1968.
Source: Breen, Walter, "Walter Breen's
Complete Encyclopedia of United States and Colonial Coins",
copyright 1988 by F.C.I. Press, New York, NY, pp. 92-93