What happened to the original masks from phantom of the opera movies: 1925, 1943, 1962, 1990, 1989?

Ive been wandering where the original masks were? not the recent movie or play masks, but the original movie masks. the phantoms and red death's mask. I need this information for a tv special i get to help on. Thank you!What happened to the original masks from phantom of the opera movies: 1925, 1943, 1962, 1990, 1989?
There is no public record of where specific props are kept. Some may have been destroyed, some may be in private hands, some may be on display and some may be in prop storage.