Catalog: Parts: DUPLO, Brick, Decorated: 4066pb405: Color Images
Duplo, Brick 1 x 2 x 2 with X-Ray Skeleton, 'F' and '51337' Pattern
White
by hazelsden

Part Color Codes:

 Color  Code  By 
 White  4620569  1  hazelsden 
 White  6024378  2  BrickStock