Found this unusual sheet and tube item on ebay.
http://www.ebay.com/itm/YOUNGSTOWN-SHEET-TUBE-STEEL-MILL-AUXILARY-MILITARY-POLICE-OBSOLETE-BADGE-/301556809221?pt=LH_DefaultDomain_0&hash=item46362fbe05 (http://www.ebay.com/itm/YOUNGSTOWN-SHEET-TUBE-STEEL-MILL-AUXILARY-MILITARY-POLICE-OBSOLETE-BADGE-/301556809221?pt=LH_DefaultDomain_0&hash=item46362fbe05)
The current bid is almost $100....it is a very nice badge