BrickLink - Part 3068bpb1300 : LEGO Tile 2 x 2 with Groove with Dark Bluish Gray Hexagon, 6 White Trapezoids and 3 Wear Marks Pattern (Sticker) - Sets 7252 / 7283 [Tile, Decorated] - BrickLink Reference Catalog
LEGO 7252 Droid Tri-Fighter Set Parts Inventory and Instructions - LEGO Reference Guide