Went through 1500 x $1 coins today and found the following. It is a new variety for me and possibly for all: (2018 Kangaroo Dollar):
(https://www.australian-coins.net/gallery/albums/userpics/10120/486/2019-02-07_13-47-05_0167.jpg)
I have called it a Sun Flare.
(https://www.australian-coins.net/gallery/albums/userpics/10120/486/2019-02-07_13-43-10_0164.jpg)(https://www.australian-coins.net/gallery/albums/userpics/10120/486/2019-02-07_13-42-04_0163.jpg)