KAY Kontrabässe zum Verkauf in der Schweiz

At least 3 eBay results for KAY double bass
Kay Upright Stand Up String Bass Metal Tail Gut for sale

Kay Upright Stand Up String Bass Metal Tail Gut

Kay logo 3/4 upright double bass tailpiece  for sale

Kay logo 3/4 upright double bass tailpiece 

Kay Upright Stand Up String Bass Metal Tail Gut for sale

Kay Upright Stand Up String Bass Metal Tail Gut