A set of 7 Marine Band MS blues harps in various keys, with the original case. Used. - Model: Marine Band MS - Quantity: Set of 7 - Case: Original case included - Keys: Various keys (A, B, C, D, E, F, G) These were used about 30 years ago. I'm selling these hoping someone who can maintain them will take good care of them. For those who like Yamaha, Suzuki, Tombo, country, and folk music. These are quite old blues harps. Please refrain from purchasing if you are not comfortable with used items or are overly sensitive to condition. Please check the images and read my profile before purchasing.