Military badges either gold, silver or brass colour with or without a backing mounting plate, pins. Sizes vary. 1. Australian Corps of Signals, collar 2. 2. Australian Corps of signals Collar Circa 1940's. 3. RAAF Hat (Circa WW2) anodised. 4. Australian Engineers Hat (Circa 1920-1942) 5. Royal Australian Army Service Corps Hat (Circa 1960's) 6. Royal Australian Army Service Corps Officers Collar. 7. RACT Hat (see current location), 8. Royal Australian Survey Corps Hat (circa 1940's). 9. 8th Australian Infantry Regiment Collar x 2, 10. Mercian Regiment Collar x 2 (circa 2007). passchendaele barracks trust, pbt121to130, badges