This early 1969 example came up for auction in March 2013 with an asking price of $1,995, but didn't sell. Per the seller: "This an early 1969 Dan Armstrong plexiglass guitar serial # A393D. It is all original and as you can see in good condition. a few dings on the back of the neck and one on the pick guard but the body is spotless. Original tuners, bridge and treble pick up. Very collectable. Comes with hard shell case."