This is a C-tuned blues harp made by M. Hohner, an instrument known for its excellent sound quality and durability. - Brand: M. Hohner - Key: C - Model: Blues Harp Thank you for looking. I purchased this about 30 years ago. It's an old item, so I've marked it as having some scratches, but there are no major scratches or stains. Thank you for your understanding and purchase.