WTB: 1988 Topps Mets/Yankees Doubleheader test set
 

Looking for the 8 card Topps test/prototype set (4 Mets/4 Yanks) from 1988 (not the more common 1989 set). 1988 has Carter/Darling/Gooden/Strawberry and Henderson/Mattingly/Righetti/Winfield only. Prefer individually sealed pieces.