Up for auction is an Iconic vintage glossy 5 x 7 photo of Albert Einstein famously sticking his tongue out on his 72nd birthday, signed in the thin upper border in fountain pen in German (translated): "This gesture applies only to the rest of the world. Yours, A. Einstein 51." Reverse bears an International News Photos credit stamp: "Int'l News Photos, 235 East 45th St., New York." In very good to fine condition, with scattered creasing, including a thin vertical crease descending to his forehead, visible at an angle. Encapsulated in a PSA/DNA authentication holder. What do you think it’ll sell for?

https://www.rrauction.com/auctions/lot-detail/349742307124099-albert-einstein-iconic-signed-tongue-photograph-this-gesture-applies-only-to-the-rest-of-the-world/