Thanks for that MG. I'd always assumed the .50 case was a blank for the almost 30 years since I picked it up out in the desert area at Waiouru, but hadn't known for sure. Thanks for the confirmation (And Hi from another Kiwi).
That handful of cases and two spent bullets is about the extent of my tiny militaria collection, plus one 105mm brass HESH shell case that we fired on an anti tank live shoot, although I do still have my own RNZA beret, hat badge, stable belt, and a platoon commander's aide memoire that I was probably meant to return.
Actually, now that I think about it I also have my father's WW2 kitbag and a webbing bag that came back from North Africa with him, both still in remarkably good condition especially considering that one was was used a fishing tackle bag until the 1990s (the webbing bag) and the other to store pine cones in for the fireplace until 5 years ago (his kitbag).
Cheers,
Chris