are those the origional death masks of Joseph and Hyrum Smith at the Church history museum or are they fake artifacts

Yes, the death masks are real and the clothes of Hyrum Smith are the real deal too.

I'm not sure u can ask any missionaries there

They are the original.

Yes

They're the real deal!

Back in their day, they didn't have cameras yet so the natural custom was to make what they call death masks. It was a known custom at that time. They are both real.

According to museum website they are the real masks. Other famous people have had death masks made as well.

They are real