Nut Picks are not a hard piece to figure out. (Not to be confused with a letter opener.) They are used to separate the meat of the nut from the shell. Usually they are used as a place piece, so a full service of sterling would have a pick for every place setting.
Japanese by Tiffany (5 inches)
Louis XIV by Gorham (4 7/8 inches)
Carnation by Wallace (4 1/2 inches)
Rose by Wallace (4 1/2 inches)
Marquis by Frank Whiting (5 1/4 inches)
Oval Twist by Whiting (5 1/8 inches)
Armor by Whiting (5 1/2 inches)
Lotus by Gorham (4 3/4 inches)