Rare original spare 40s GROVER metal button OPEN GEAR tuner prewar - TREBLE side for Gibson, Martin, etc

Offering for your consideration this Rare original spare 40s GROVER metal button OPEN GEAR tuner shown..This is for the TREBLE side (high strings)...It is in very good cosmetic condition.. as expected there is lots of "play" but it functions as it should. Includes the string post ferrule and two mounting screws shown. Tough item to find when you need one...... no other parts included....just what is shown in the photos. Feels SO good to get that vintage guitar right!! . $35.
If you have any questions ...please e-mail Steve