Hi, I'm looking to replace the factory tuners of a '56 Gibson Country Western acoustic. They are worn and shrunk. Would love to get repros that blend in, as this is a very worn guitar, with 60 years of patina and mojo. Original tuners are Kluson Deluxe, single line, with oval plastic tips. What's the most accurate and period correct modern replacement tuner I should get, and where? Here's a pic (not my guitar) of what I'm talking about. Thanks, N.