INV 2521 INCLUDES SNARE STAND AND LUDWIG CASE DATED INSIDE SNARE DRUM AUGUST 14, 1968 The Ludwig No. 404 Acrolite 5x14" 8-lug aluminum snare drum with the Keystone badge is a classic and highly sought-after piece. Known for its seamless, beaded aluminum shell, this drum delivers a bright, dry, and penetrating sound that has made it a favorite among drummers across various genres. Originally introduced as a student model, the Acrolite quickly gained popularity for its versatility and quality. The Keystone badge indicates that this particular model is from an earlier production period, adding to its vintage appeal.