The Transformers Generation One Commemorative Series is a store exclusive line featuring reissues of the original Generation 1 toys.  Featuring both G1 Autobots and Decepticons this series was released in the early 2000's and includes primarily main Transformers G1 characters originally released in 1984-1986.  Each figure comes in unique Commemorative Series window packaging allow collectors to open the front flap of the toy and see each Transformer figure without having to break the seal on the sides of the box.  Also included with this series was a small booklet of character file cards that could be removed and put into a binder (sold separately).