The 1999 Upper Deck SP Authentic Dan Marino UDA Signature Card is a rare and highly sought-after sports trading card featuring the legendary football player Dan Marino. This limited edition card is numbered #30 out of only 100 produced, making it a valuable collector's item for fans of the sport. Manufactured by Upper Deck as part of the 1999 Authentic set, this card showcases Marino's signature, adding to its appeal and significance for collectors of football trading cards.