Vintage 1963 Ludwig KeyStone Badge Black Diamond 20x14 Bass DrumNotes 20 inch diameter missing one kick spur and mount no tom mount but holes where a tom mount would be, as well as an etra set of holes: most likely for a cymbal mount missing 3 tension rods. Badge corners are peeling A Vintage 1963 Ludwig KeyStone Badge Black Diamond 20x14 Bass Drum in Fair condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you