How old is this Mother of Pearl Button

[Clonloum123]

 

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[TheCannonballGuy]

Both of your photos showing the mother-of-pearl button's back are so badly out of focus, they are almost worthless. I **think** I see the button has what collectors call a "crimped rectangular tunnel" self-shank back. That version of self-shank back seems to first show up in the 1950s... and is sill being manufactured today. See the photo below.

 

[Clonloum123]

Both of your photos showing the mother-of-pearl button's back are so badly out of focus, they are almost worthless. I **think** I see the button has what collectors call a "crimped rectangular tunnel" self-shank back. That version of self-shank back seems to first show up in the 1950s... and is sill being manufactured today. See the photo below.

Yes it does have a crimped rectangular tunnel self shank back And is made of copper and Mother of pearl