I.M.GRASSI / Grassi Horn Semi-double Horn Made in Italy Robert Martel Brass double horn, complete with accessories. I don't know much about it, so I don't know the details. I couldn't find any brand markings like Yamaha. Please note that it has not been maintained. I.M.GRASSI milano is written on it. There is one dent. Please refer to the photos. All accessories are shown in the photos. The horn bag is worn. - Brand: Yamashita - Accessories: Mouthpiece, case, valves - Material: Brass - Design: Double horn shape Thank you for viewing.