Orpheum Theatre: Houdini Challenge
- Name of Subject: Harry Houdini
- Size: 4 x 3.5 in
- Condition: very good
Small, linen-backed announcement of Harry Houdini's escape attempt from a leather mail pouch locked by post-office officals. "Should Houdini fail to release himself he must be taken to the Central Postoffice to have the lock opened."