An incredibly beautifully restored Millereau. Sauterelle! Pistons Perinet, ascending third valve. (elevating) Original F crook by Millereau (silver), G crook is a Millereau copy by Zoltan Juhasz. G crook with pistons makes horn in F. Natural horn is then in G. Plays beautifully. Pistons in very good condition. A jewel of a horn.