It's a wonderful poster, however, Arthur admits he isn't certain this is from Houdini's day. He thinks this might have been done by a Norwegian artist for a library or National exhibit in the 1970s or '80s, but he isn't sure. "Hopefully someone will post a reply," says Arthur.
So does anyone have insight into this poster they'd like to share? Feel free to post in the Comments or shoot me an email and I will forward it to Arthur.