Allan Kaye's Sports Cards Price Guide #2 from December 1991 is a vintage publication focusing on sports trading cards, with a special feature of Wayne Gretzky and 25 free cards included. This price guide, published by Sports Cards News, provides valuable information for collectors looking to understand the market value of their sports cards. With a focus on vintage cards and notable athletes like Gretzky, this publication is a must-have for sports memorabilia enthusiasts seeking to enhance their collection.