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Keywords from Image Description:
Matilda HedgehogAWM . Watermark Obtained via awm gov au asp The photo's online record states that it's copyright status is 'clear' AWM photo caption MATILDA TANK WITH NAVAL HEDGEHOG MOUNTED ON BACK OF TANK THIS EQUIPMENT CONSISTED OF SIX SPIGOTS MOUNTED IN LINE ON THE REAR OF THE TANK HULL OVER THE ENGINE COMPARTMENT br above