Looking for a seriously fun disguise? Try a Smiffy's costume on for size! Package includes: 1 x Smiffy's Adult Unisex Decaying Zombie Mask, Grey, One ... We computed the price history for the Smiffys Decaying Zombie Mask with Amazon price historical data. This item is manufactured by Smiffys. It is sold in the category Toys & Games. We noticed a higest price of 11.99 £ and a lowest price of 6.30 £.