What were Egyptain portrait masks made of?

Answer 1

There are several articles in here that will help you:
http://www.google.com/search?q=egyptian+portrait+masks&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA

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Answer 2

Portrait (or funerary) masks were made of different materials, depending upon the time and the money available to the deceased's family. Gold was occasionally used, as was plaster and cartonnage. Check these sites for more information.

http://64.233.169.104/search?q=cache:ACWv5Aue88sJ:touregypt.net/featurestories/masks.htm+Egypt+portrait+mask+cartonnage&hl=en&ct=clnk&cd=1&gl=us&ie=UTF-8

http://www.virtual-egyptian-museum.org/Collection/Material/Collection.Material-FR.html

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