Cleaning out some old boxes from my father’s garage I discovered three new complete sets of F style gold tuners, gear under style. They seem like really good quality machines.
He made a couple dozen mandolins in the 70s and must have purchased but never used these.
The brown box each set comes in has one stamped marking
M-490 #862
I’m m thinking they are first generation Grover 409s but that’s just a guess.
Anyone know the answer to this riddle?
I’ll post pics if I can figure out how to do so.
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