They are all fake.
From The Spud Papers:
Forged: There are only two lines forming the outer border, a thick one and a thin one. There are seven-and-a-half lozenges running across the top of the stamp inside the Etruscan border. The lozenges at the bottom are like the genuine, except that the last on the left is smaller than the rest. The tongues#8232;of both dragons touch the lozenges above them.
More detailed info here:https://japanstamps.org/2020/11/02/...x-of-issues/