Helpwith indentifying Vietnam Empire Coins [gelöst]

Hello
Can anyone help?
I dont know exactly even if the picture is in the right position.
Or if anyone can pint to me to a site where are the symbols of Emperors of Vietnam.
M1:

M2:

M3:

M4:

M5:


The reverse of all is plain.
Thanks for the help.

M1
https://en.numista.com/catalogue/pieces64802.html

M3 (Turn CCW 90)
https://en.numista.com/catalogue/pieces64648.html

M2 (Turn CCW 90)
M4 (Turn 180)
M5
https://en.numista.com/catalogue/pieces64772.html

Chris

Many thanks.
Regarding M2 and M4 now on the correct position :)
M2:

M4:

M2 M4 and M5 are the same type.

Chris

Thank you Chris.
And i'm sorry i didnt understood before your explanation :)
Now i see you are right.

Thank you really, i had these coin for so long, and believed i would never identify them.
Regards,
Miguel