The 1978 TCMA The 1960's I - John Herrnstein #1978-0124 Green Back trading card is a collectible item featuring the baseball player John Herrnstein from the Philadelphia Phillies. This sports trading card is part of a set by TCMA from the 1978 season, with a unique green back parallel variety. It is a valuable piece for fans of Major League Baseball looking to add a piece of history to their collection.