Military badges either gold, silver or brass colour with or without a backing mounting plate, pins. Sizes vary. 1. Royal Australian Engineers collar. 2. Royal Logistics Corps OR's Hat (a). 3. Royal Logistics Corps OR's Hat (b). 4. Royal Australian Armoured Corps Hat (a). 5. Royal Australian Armoured Corps Hat (b), 6. Royal Australian Armoured Corps Hat (c). 7. Royal Australian Electrical & Mechanical Engineers Hat (a), 8. Royal Australian Electrical & Mechanical Engineers Hat (b), 9. Royal Australian Electrical & Mechanical Engineers Hat (c), 10. Royal Australian Electrical & Mechanical Engineers collar (a). passchendaele barracks trust, pbt311to320, badges