MF DOOM Gladiator Mask real steel by Scott Handicraft's.
Amazon.com: MF Doom Gladiator Mask Mad-villain Golden Finish Brass Mask Face Armour Mask Gladiator New Edition Great Gift Item For Nautical Lovers By RANA HANDICRAFT, Generic, As Shown Picture : Clothing, Shoes
So was wondering what mask MF DOOM originally wore so I looked it up and apparently he used a factory x gladiator helmet that was made after the movie 300 came out.