Most of these buttons are plastic with a metal or metalized plastic centre. They are of various designs and sizes.
BRASS AND MOTHER OF PEARL BUTTON
This button is brass with a MOP central disc upon which is a brass Egyptian head. It is rather intriguing. It has a brass back and loop shank.
TWO MATERIALS BUTTON
I do not know the materials of this button. It is a two piece with a pierced brass shell covering what appears to be stone of some kind.
It has an interesting and decorative back which seems a pity to conceal. Depose, Paris is the backmark
BUTTONS – TWO MATERIALS
Firstly we have a metal button with a brass paisley patterned centre.
The second one is a plastic button with a brass centre featuring a Huntsman with his gun and dogs.