Ludwig Ringo Black Oyster Pearl Keystone Badge Drum Kit Vintage 1965Notes 12" has serial 347596 14" has serial 349878 20" bass drum has serial 346045. 1 original Ludwig drum head, 2 additional drilled holes, pearl inlay missing on one side, Chrome Hardware A Ludwig Ringo Black Oyster Pearl Keystone Badge Drum Kit Vintage 1965 in Very Good 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 are getting. We always