[L20A]

Check out John Greven
He made a 12 string and matching 6 string for John Denver.
The 12 string is on display at the Denver Airport as part of a John Denver Showcase.

Here is a list of some other folks that have purchased guitars from John.
Roy Acuff, Aerosmith, Red Allen, Chet Atkins, Norman Blake, Dick Boak, Jethro Burns, Mary Chapin Carpenter, Johnny Cash, Vasser Clements, John Denver, Bo Diddly, Mike Doolin, Jeff Elliott, Herb Ellis, Kent Everett, Grateful Dead, Doug Green, Jeff Hanna, George Harrison, John Hartford, Wayne Henderson, Janis Ian, Phil Kane, Marty & Charmaine Lanham, Mike Longworth, John Lundburg, Steve Martin, Bullwinkle J. Moose, John McQuen, Bruce Morrison, Nitty Gritty Dirt Band, Jimmy Olander, James Olson, Kotaro Oshio, Joe Perry, Steve Pfenninger, Richard Schnieder, Buffy St. Marie, Eric Stroh, James Taylor, Martha Trachtenberg, Buck White and family, John A.Wilson, Randy Wood, ZZ Top and so many others.