Star Wars key chains are LEGO minifigures fixed to a key ring by a short chain through the head, and they go back to the 1999 Darth Vader and Luke Skywalker, the first year of LEGO Star Wars. Darth Vader, the stormtroopers, Yoda, R2-D2 and C-3PO have been made over and over, often with small changes to the printing, while other characters follow whatever was new at the time.
Summary
Gear Key Chains / Star Wars Princess Leia Key Chain set 851938 was released on October 24, 2007, retailing for $4, it has since been retired. New, unopened sets are valued at $17, used ones can be found for $14.
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