File:Mat-Judge-ChimeratechOverdragon.png

Source: http://www.arenagamesandcollectiblesonline.com/buylist/gaming_supplies-playmats-yugioh_playmats/chimeratech_overdragon_upper_deck_yugioh_judge_mat/66069

(it's a bigger version of the one at metagame.com, so it seems like an official proxy image)