Some cards featured his name as Ray Borque while other cards had the correct spelling Ray Bourque. The first card in 1990-91 Pro Set Series I was Ray Bourque. Pro Set released its first hockey card set in the summer of 1990. Across the bottom of most of his company's cards was its designation as 'The Official NFL Card,' a distinction it held through 1991.
His licensing agreement with NFL Properties allowed Denny to gain access to its extensive photo library and become the first card maker officially associated with a professional sports league. Denny had gained a trading card license with the National Football League (NFL) in 1989 after making and selling other NFL memorabilia in previous years. Pro Set, was a Dallas-based company founded by Ludwell Denny.
