This is the authentic, U.S. Regulation Bugle. It has been used for years by members of our armed forces, the boy scouts of America and vfw units around the world. It is made of the finest quality brass by highly experienced, skilled craftsmen. With reasonable care, this musical instrument will last a lifetime. As specified by the quartermaster crop of the U.S. Army in 1882, U.S. Regulation Bugles are built in the key of g with a tuning slide that will bring it down to the key of f. It is easy to play and sounds just the way you know it should. You can play every official bugle call on your U.S. Regulation Bugle. If it doesn't have US regulation bugle stamped on the bell, it's not the real thing .