This is a Kawai trumpet. I don't know the model number, but after a little research, it seems to be an OEM product of B&S. Kawai gold trumpet Includes a B&S Kawai mouthpiece The case is a Yamaha case. *Please check the condition in the images. I do not have any knowledge of musical instruments, so please purchase after confirming the images and agreeing to the condition. There are many issues such as rust, scratches, dents, no pistons, and dirt. Please purchase with your understanding. I cannot confirm the operation, so please assume that maintenance or repair will be required. It will be sold as is, so I am offering it at a low price. Shipping will be in simple packaging, so please be aware of this. *I do not have specialized knowledge and have not checked the playability, so I may not be able to answer your questions. Please purchase only if you understand.