ONE OF ONE This Jim Kelly Leaf Executive Collection (2016) Masterpiece is a one-of-a-kind piece for any Buffalo Bills fan or any fan of all things NFL. The card features an autograph from the former quarterback and is part of the 2016 Leaf Executive Collection Masterpiece. This rare trading card is perfect for avid collectors and fans alike, with its stunning design and one-of-a-kind features. The card is a must-have for any Jim Kelly or Buffalo Bills memorabilia collector, and is sure to be a prized possession for years to come.