The product is a Playbill from the play "A Streetcar Named Desire" signed by Paul Mescal. This item falls under the category of Entertainment Memorabilia and Theater Memorabilia, specifically Playbills from the 2000s to the present. Given the connection to Paul Mescal, who is a popular actor known for his roles on stage and screen, this signed Playbill would likely be a sought-after collector's item for fans of theater and entertainment memorabilia.