Plate, Modified 12x24 with 6x6 Square Cutouts at 2 Corners and 6x6 Round Cutout, LEGO® Part# 18601. Appeared in dark bluish gray in set #71264-1 (Story Pack - The LEGO® Batman Movie), #71253-1 (Story Pack - Fantastic Beasts), and #71200-1 (Stater Pack - LEGO® Elements). Appeared in tan in set #71242-1 (Story Pack - Ghostbusters). 

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