The Rittenhouse Eureka Shayn Solberg As Spencer Martin Autograph Card is a highly collectible trading card featuring an autograph from Shayn Solberg, who portrayed Spencer Martin in the TV show Eureka. As a non-sport trading card manufactured by Rittenhouse, this item appeals to fans of the Eureka franchise looking to add a unique and valuable piece to their collection. With the added appeal of an autograph, this card is sure to be a sought-after item among trading card enthusiasts.