Im not positive on this but Im pretty sure you can get that through Rubies costumes. They sell a small amount of pretty cool props. I have a friend who owns a costume shop and I have been able to buy a certain amount of props through him and his Rubies catalog w/o having to place a large minimum order. If Im wrong about Rubies I would say try Cinema Secrets. I know I have seen it before. Its a fairly older prop though.
Damon
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