Beckett Stock Photo, not actual product.
This 6-card set was released at various Topps sponsored events and throuhg its dealer network to promote the 1999 football release. The cards look very similar to the base set except for the card numbering scheme.
"THANK YOU FOR SHIPPING OUT SO FAST WAS HERE BEFORE I EVEN KNEW IT SHIPPED LOOKING FORWARD TO DOING BUSINESS WITH YOU AGAIN, GREAT CARD!! KEN"