This is an official New York City Subway Mylar sign from the MTA. I acquired this directly from the son of an MTA NYC employee. Extremely rare and historic item. Nylon Mylar that would roll thru the actual sign. The item "World Trade Center NYC MTA Subway Mylar Sign From 9/11 Era" is in sale since Sunday, September 23, 2018.This item is in the category "Collectibles\Historical Memorabilia\Fairs, Parks & Architecture\Buildings". The seller is "peronut" and is located in Forest Hills, New York. This item can be shipped to United States.