These are an officially licensed prop replica of Alice’s Throwing Stars from Resident Evil: Afterlife.

Limited edition of 2000 pieces worldwide.

Alice’s Throwing Stars are a a full sized and highly detailed prop replica based on the one’s used by Milla Jovovich in the film. 

Features three stars that bear the Umbrella Corp logo and comes complete with a display case and certificate of authenticity.

Display case measures about 10-inches wide x 6-inches tall.

Resident Evil Afterlife Throwing Stars – Master Cutlery Prop Replica Collectible (via Entertainment Earth, $69.99)