http://www.frettedamericana.com/product/1965-fender-mustang-1
Introduced in 1964 - Essentially a Duo Sonic with a Dynamic Fender Vibrato.
1965 Fender Mustang. Offset asymmetrical double cutaway solid body. This 12 1/4 inch wide guitar weighs 7.80 lbs. and has a wide nut width of just under 1 11/16 inches and a scale length of 24.00 inches. Solid alder 'slab' body, one-piece maple neck, Veneer rosewood fret-board with 22 original medium frets and pearloid dot position markers. Fender 'Transitional' headstock logo with "Fender" in gold with black trim followed by "Mustang" in black and and "Des. 186,826 Pat. 2,960,900 2,741,146 3,143,028 & Pat. Pending". Individual 'double-line' Kluson Deluxe tuners with oval white plastic buttons. Single 'butterfly' string guide with plastic spacer. Four-bolt Fender neck plate with serial number "L97452" stamped between the top two screws. Two black bakelite, slant mounted gray-bottom single-coil pickups with balanced outputs of 5.37k and 5.61k and with "9-7-65" written in black pencil on the undersides. Three-layer plastic (pearloid/black/white) pickguard with 12 screws. Two controls (one volume, one tone) plus two three-way pickup selector switches. Black plastic control knobs with seven sides and white line markers. Fender Mustang Bridge with six adjustable saddles. Fender 'Dynamic Vibrato' tailpiece. The neck is stamped "8 AUG 65B", the potentiometers are stamped "304 6520" (Stackpole, May 1965). The Dakota Red finish is fresh and bright with no hint of age darkening. There is some minor finish checking and just one small surface chip on the lower bass edge of the body. This guitar is in near mint (9.25) condition and is complete with the original Fender Mustang tremolo arm and bridge cover. Housed in its original Fender gray hardshell case with black imitation leather ends and orange plush lining (9.00).