The Hasbro G.I. Joe Hall of Fame era of 12" action figures began in 1991, when Hasbro released the Target Exclusive Duke in response to the high demand from nostalgic collectors of the vintage era G.I. Joe action figures. Duke was the first 12" (30 cm) action figure produced in the Hasbro G.I. Joe line since 1978. During the G.I. Joe Hall of Fame era, Hasbro introduced several new products to the world of action figure collectibles. The first innovation was the limited edition, individually numbered collectible figures. These figures had collectors scrambling to find the lowest numbers which were expected to have the highest resale value. Hasbro also used variant sets (also known as chase sets) to increase demand and interest in the figures. Additionally, talking voice chips were used in s