Up for sale is a Martin Committee Antique Trombone (manufactured in 1957) with Gold Satin finish, Bright gold Slides, and bell interior. This trombone is in excellent condition for its age. Serial number is #205385. Slide is in good working order. Included in sale is case. This is a highly sought after horn. The engraving reads: The Martin Committee model Elkhart Indiana, USA. Bell diameter is 7.5 inches. Feel free to email if you have question.