Basoon Oscar Adler Orchestra model

26 keys, 10 rollers, high-D, high-E, Eb-key at the wing joint, 2nd Bb-key, Ab for right thumb, 3 trill keys (F#/G#, C#/D#, E/F#), silver plated mechanism, well seasoned maple wood, complete with 2 bocals "O. Adler & Co." Nr. 1 and 2, case, cover with carrying sling system, accessories
OPTIONS: Ab/Bb trill key; C#/D# connection