USA : US Army Group of Three OR's Collar Discs.

Three anodised arm-of-service collar discs complete with wing-clip fixings on the reverse. Discs are for : a). Air Defence Artillery b). Engineers c). Transportation. (two-piece badge) These discs are worn on the left lapel opposite the 'US' disc on the right lapel. All carry the maker's mark of 'J.R.Gaunt London' on the reverse.