This is a 5×7 inch card autographed by Jack Black and Kyle Gass as JB and KG. Jack Black and Kyle Gass signed this card in London at the 2012 Kerrang! SIGNERS: Jack Black and Kyle Gass. DATE OF EVENT: June 7, 2012. SIGNING EVENT: The Kerrang! LOCATION: The Brewery, London. This item includes a COA. Make sure to check out my store as there is a nice variety of autographed memorabilia. You will surely find something of interest.