2015 Topps Series One is a 700-card set released in two series of 350 cards. Series One came out February 4th, while Series Two was issued July 17th, 2015.
Similar to previous years, 2015 Topps Series One is distributed in various packaging formats: Hobby box, hobby jumbo box, retail box, retail rack packs, retail blasters and retail hanger boxes. Each hobby box promises one relic or auto while each hobby jumbo box promises one auto, one relic, and one manufactured "relic." When it comes to design, variety, configuration, card details, etc..... some collectors think 2015 Topps is one of the strongest flagship offerings in years.