This Dan Armstrong guitar sold for $2,125 in July 2011. Looks to be in very nice shape with just enough wear on the back of the neck to suggest it plays well.
"Made between 1969-71. Serial number A 12470. Original not a reissue. Looks and sounds great. Normal wear on back side of neck. Some chips on back of neck. Includes chipboard (not original) case. C 3 stamped on pickup block. Free shipping. Continental USA shipping only. No exceptions."