What the Helen of Troy is This Dear PoPville – Have You Seen This Before? by Prince Of Petworth September 16, 2014 at 2:30 pm 5 Comments “Dear PoPville, Have you seen this symbol before? I’ve seen it all over the city and I’m always curious what it means. This particular one is near the Washington Monument.” It’s Stikman! You can read an interview he did here.