The Bernie Mattison Radio King Model was first introduced in 1936 and had the tapped (no insert) lugs. I’ve dated the drum in this article at 1937-39 because the lugs have inserts. The 1937-39 Slingerland catalogs list this drum as the Band Model Radio King.
Read more1937-39 SLINGERLAND 8 x 14 BLACK DIAMOND PEARL BERNIE MATTISON RADIO KING MODEL
