Activity Billy McCall posted an update 1 month ago New issue of Proof I Exist is out! Send me $2 to find out what it’s like for me living in Baltimore. Darkroomist replied 1 month ago What’s your address? Billy McCall replied 1 month ago Billy Roberts PO Box 22551 Baltimore, MD 21203 Send me some love! I’ve only had the PO box a couple of weeks, so it needs attention!