nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq5ytycgdxyflsnl0yufdfka6t97cx2fpd0922wk9z79agm8k9xg7stt3j2d (nprofile…3j2d) I mean, that's the tails side of the coin, they make new versions regularly but the heads side basically never changes until the monarch does, except to the more true to life (though if were Elizabeth I'd have prevailed on the Aussie mint to keep the original profile) just like US money.
Basically this is no different than US state quarters except more whimsical.