The listing, Old Armstrong Plate Flute with Case has ended.Has general wear, but playable. Marked Armstrong Elkhart Ind with a 1 or I underneath between rays and a diamond. Serieal number 104D126266. End oiece with number D1266. Mouth piece with 99. With a bit of polish and cleaning would be a fine instrument for a student. Might want to replace pads too, but still works.