The Hoxton Vyse Mask from Payday The Heist

Installation: 
Drop the files to 
mods\update\x64\dlcpacks\mpimportexport\dlc.rpf\x64\models\cdimages\mpimportexport_male.rpf\mp_m_freemode_01_mp_m_importexport_01

Credits to Overkill Software
Eltra