Brand New Harmonica 10 Holes Key of C with Protective Case Lightweight Easy to Carry. Brand New adorable harmonica for players at all age. It comes only in the key of C. The sound quality is nice and is an excellent choice for many applications. Fine construction and tone with heavy plated cover and sturdy boxes, 10 holes, plastic comb. This unit is brand new and has never been touched or played. High Quality at low price, fast shipping guaranteed.