BrickLink - Part 3070bpb096 : LEGO Tile 1 x 1 with Groove with Black Cross and Dark Red and Dark Bluish Gray Buttons Pattern [Tile, Decorated] - BrickLink Reference Catalog
LEGO PART 3070b Tile 1 x 1 with Groove | Rebrickable - Build with LEGO
Review: Part 24246 Flat Tile 1x1 1/2 circle | Brickset: LEGO set guide and database