This is a 1958 Martin TG 5 -15 T The serial number is 167790. There are no cracks, repairs or alterations to this instrument. The neck to body joint is tight and show no issues. The neck is straight and very easy to play. Frets show no wear at all. Could have been re-fretted? Professional work if that is the case. Comes with the original imitation crocodile case, fits perfectly! Here is the best part! The sound that it produces with its small size is remarkable. Total length is 34", the width 11 1/4", depth 4", scale 23", body length 16". There are 14 frets to the body. Thank you for looking!