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Old 04-06-2020, 12:16 AM
waltr waltr is offline
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Join Date: May 2018
Location: SE Pennsylvania USA
Posts: 1,813
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Here is a good one I use:
http://www.thememphisdiggers.com/datingbuttons.htm

Do POST photos so you can have the advantage of many experts.

The term "Plated" on a back mark wasn't used until the late 1800s as far I know.
Early 1800's buttons would be marked "Gilt".
Two piece buttons didn't exist until about the 1840s. Before this they were one piece.
My guess is both your buttons are 1900s.
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