how can i get one.I checked the royal mint web,there is no link or on list.
Tons on ebay...looks like some are already going for $70+ in bids... may be an expensive 50 cent piece
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=2022+50c+australian+signals&_sacat=0&LH_TitleDesc=0&_odkw=2022+50+cent+australia&_osacat=0
I think they are going to be a circulated coin, so you should be able to pick up some cheap ones soon