This is a very rare Nikkan euphonium, model YEP-201! All piston valve guides, inner felts, and piston springs have been replaced with new ones. The water key cork has also been replaced, all slides have been adjusted, and the instrument has been completely disassembled and cleaned. This is a ready-to-play instrument. 【Condition】 There are scratches and dents due to age, but there is no damage that would hinder performance, and it is still a fully functional euphonium. Overhauled. Ready to play!! This is a great instrument for those upgrading, or as a first euphonium for anyone interested in playing! Accessories include a dedicated case and mouthpiece. This is the only used instrument of this model currently available, so please take advantage of this opportunity. Please check the photos carefully and understand that this is a used item before purchasing.