This is a mail response card used by Pathe to respond to fans who wrote to Jack Dempsey care of the studio. PC sized. Definitely a rarity; I've seen only two. I had SGC put it into a slab it is a '20' and is the only graded example from either service. $150 delivered to USA address, PP OK or snail mail. Offering it here before looking for an AH to take it.