Set 75019-1 : AT-TE [Star Wars:Episode 2] [BrickLink]
75019 bricklink Off 64% - canerofset.com
Bricker - Part LEGO - 6179pb073R Tile, Modified 4 x 4 with Studs on Edge with Light Bluish Gray Panels with Cut Top Left Corner Pattern Model Right Side (Sticker) - Set 75019