Harry Potter and the Chamber of Secrets was a subtheme of Harry Potter with 11 sets released to coincide with the second installment of the film in 2002.
Chamber of Secrets was introduced in 2002 and currently consists of 19 sets. As of today,
4730 The Chamber of Secrets is the most valuable Chamber of Secrets set with an estimated new/factory sealed value of $300.
Summary
Harry Potter Chamber of Secrets Dobby's Release set 4731 was released in September 2002, retailing for $7, but has since been retired. New, unopened Dobby's Release sets are valued at $41, while used sets can be found for $16 in good condition.
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