Pat# 3982462, Part# 2547662
From late 90's Fender Jazz Deluxe (USA made)
Works perfectly- I took it off the instrument immediately after I bought it to install a Hipshot Drop Tuner. This has been in my parts drawer a long time!
Similar to current U.S. Standard keys, but more robust with thicker Stem.
PayPal only, please - $20 shipped