⭕ This is truly a one of a kind, vintage Dallape Supermaestro, serial number 1XX. It was custom made in 1967. It has 45 treble keys and 140 bass buttons. Stradella and free bass. Tuned A442. It has 5 sets of treble reeds and 5 sets of bass reeds. LMMMH, Double tone chamber. Low [bassoon] and middle [clarinet] in chamber. The finest handmade reeds. It has 15 treble switches and 7 bass switches. It has a beautiful musette tuning. Weight is 28 1/2 pounds. Keyboard length is 21 5/8 inches. Key widths are 13/16. There are 3 rows of free bass buttons. The seventh row is a repeat of the third row, but everything is offset from the third row for alternate fingerings. It has been very well cared for and is in almost perfect condition. Bellows is tight and everything functions perfectly. It has the name SAL on the side of the grill. There are a few minor scratches on the corners of the keyboard from taking it in and out of the case because it is a very tight fit. The case is the original light weight aluminum case. It is also in almost new condition.