Identification disc issued to POW's at Australian internment camps during WW2.Round bakelite (brown) disc with hole at top centre. One side plain. Reverse side has four lines of identification (see inscriptions). Used as identification of POW. Contained in a "by air mail" envelope. Line 1: I J Line 2: (identification number) 50520 Line 3 and 4: (identification name) SO TJENG LENG TJAY Envelope inscription: Internment camp 4 Rushworth - Tatura Group WW2 Identity disc So Tjeng Leng Tjay Date of birth 6-9-1930 No 4 A Camp Tatura Major Jim Sullivan- courier '98identification disc, pow identification, australian internment camps, ww2 australian camps, so tjeng leng tjay, major jim sullivan