88 vintage brass piano key screws with holes

Description

88 vintage brass piano key screws with holes.
Each piano key held a single brass screw through which passed the wire to connect with the hammers.
The piano was a vintage Harmony piano, likely from the 1920s, made by the Walters Piano Company, New York.
Each screw is about one inch in length with a circular head (no slot) of about 5/16” in diameter.
This auction is for the lot of all 88 screws. Happy bidding.