Johnny Craviotto (USA) and Adrian Kirchler (Italy), the two Masters came together in 2013 to create the Craviotto/AK brass shell snare drum. The 14x8 size was limited to only 25 pieces worldwide. - One-piece raw brass shell- Tube Lugs- Trick Throw-Off- #25/25- Very lightly used- Original drum headsI'm in the midst of moving, so the certificate of authenticity is packed up, but I will find it and send it to you after purchasing this drum. Don't miss this rare opportunity to own this amazing snare drum...a stunning piece of Johnny Craviotto's legacy!!!