Patch - US Army PSD 230th MP Company - West Germany. 3 1/4" size. 

230th MP Co was part of the 95th MP BN, 21st Theater Support Command, headquartered at Rhein Ordnance Barracks (ROB), Vogelweh -Kaiserslautern, with detachments in Zweibrucken and Pirmasens, Germany.