Check the listing for details. PAIR 62nd Coast Artillery/ADA Bn Crest DI/DUI Screwback/CB NS Meyer HM VARIATION. Condition: Used. Listed at 9.95 USD. Insignia for the United States Army, 62nd CA/ADA Battalion. A must for any serious ADA crest collector. This crest is in great condition for it's age. Very unique insignia that will stand out in any collection.