🔎 UNIDENTIFIED Help with a 2 piece button please….

[Fishin-4-a-Livin]

I posted this in the ”Button“ section, without much luck.

I took some better pictures. I’m hoping someone could give me a clue as to the approximate time period this may have come from. I have searched every button image I could find on the internet.

From my research, it has a ”self shank” on the back. But my research has been known to be faulty before, lol. So not really sure what type it is.

I guess my biggest question is, judging by the pictures, could this be very early 1800s?

The design on top is slightly misshapen.

Thanks for the help!!

 

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[TheCannonballGuy]

Here's my analysis of your brass 2-piece button's age, based on it having a "self-shank" back.

The version of self-shank back seen in your photo is what button-collectors call a "simple pierced dome." That version was first invented and patented about 1910, plus or minus a few years. Sorry, I cannot now remember the exact date.

It is called a "simple" pierced dome because the openings for thread to pass through it were made by (simply) doing nothing but pushing a nail's point into it on opposite sides of the dome. That method caused the holes in the thin sheetmetal back to have sharp edges -- which would pretty soon cut through the thread. So, some years later an improvement was made, in which the edges of the pierced hole were smoothly folded/crimped back onto themselves, creating a smooth-edged hole. A third evolution of self-shank back appeared around the 1950s, in which the shank has the form of a machine-pressed raised rectangle with a folded-edges tunnel passing through it. See the photos below.

 

[Fishin-4-a-Livin]

Here's my analysis of your brass 2-piece button's age, based on it having a "self-shank" back.

The version of self-shank back seen in your photo is what button-collectors call a "simple pierced dome." That version was first invented and patented about 1910, plus or minus a few years. Sorry, I cannot now remember the exact date.

It is called a "simple" pierced dome because the openings for thread to pass through it were made by (simply) doing nothing but pushing a nail's point into it on opposite sides of the dome. That method caused the holes in the thin sheetmetal back to have sharp edges -- which would pretty soon cut through the thread. So, some years later an improvement was made, in which the edges of the pierced hole were smoothly folded/crimped back onto themselves, creating a smooth-edged hole. A third evolution of self-shank back appeared around the 1950s, in which the shank has the form of a machine-pressed raised rectangle with a folded-edges tunnel passing through it. See the photos below.

Thank you so much for the information!

Disappointing, but very informative.