2011-12 Panini Crown Royal Sidney Crosby Lords Of The NHL Emerald Patch /25 SSP. This sports trading card features Sidney Crosby, a prominent ice hockey player, and is part of the 2011-12 Panini Crown Royale set. The card is a rare parallel/variety with an emerald patch and is limited to only 25 copies. It is a highly sought-after item for collectors and fans of the sport.