1979 Gibson J-50 Deluxe Acoustic Guitar Natural one owner original case. serial # 430768. Used in good condition.1979 Gibson J-50 Deluxe Acoustic Guitar Natural one owner original case. serial # 430768. Used in good condition. This guitar sounds wonderful and plays perfectly. The scalloped woodgrain on the neck shows this guitar is special. There are two weather cracks around the sound hole that would not bother me as a player guitar and would not try to repair them. Brought to you by Wild Bills Drum Shop of Texas!