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Brick, Round 2 x 2 Dome Top with Black Batgirl Mask with Pointed Ears and Yellow Eyes Pattern
Bricklink ID:553pb028
Weight:0.880 g
553pb028

Sets with this part (from Bricklink)
  Part color Trans-Clear
 


 Set nameRelease yearQuantity
4123741237 Batgirl Secret bunker20171