The large mens or womans lab coat is a original certified coat from NASA. MY father in law worked there, this is from his closet. True, NASA lapcoat made between 1975 and 1992, When this particular logo was retired, it was not worn often. If at all, there is a yellow tag mark from a tag that was peeled off that does not bleach out otherwise, This is in great shape. machine washable.No yellowing in the collar 3 pocket front.Perfect buttons.I don't think it was ever worn.White lab coat featuring NASA logo on the back.