Pictures 2 John Stetson Hat Company, Philadelphia Pennsylvania Tweet Do you have an update on the current status of this structure? Please tell us about it in the comments below. AUDITORIUM DATE STONE, BUILDING 23 ENTRANCE TO BUILDING 24 BUILDING 24 ENTRANCE WALL OF BUILDING 24 BUILDINGS 10-13, CLOSE VIEW OF CADWALLADER STREET WALLS BUILDINGS 12-13 FROM ACROSS CADWALLADER STREET