This bid is for a vintage 1960's?? Guild model M-20 mahogany guitar serial number AH1544. Made in Hoboken N.J. USA. Pre Zip Code. Body measures 18" by 14". Good used condition with no cracks/splits or abuse, good and tight. I find a couple very small pecks around the sound hole trim. Appears to be all original. Good straight neck. Good tuning nuts. The finish shows age. Comes with the case. Winner pays shipping