✅ SOLVED Found these at an 1850 site

[Merf]

Found these at an 1850 site. Not magnetic but trigger my pin pointer. Any ideas? Back side is the same.

TIA

 

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[Merf]

Found these at an 1850 site. Not magnetic but trigger my pin pointer. Any ideas? Back side is the same.View attachment 2138894 TIA

Solved. Thanks guys.

 

[pepperj]

Solved. Thanks guys.

So let us in on what they are Merf.

 

[The Seeker 1]

Found these at an 1850 site. Not magnetic but trigger my pin pointer. Any ideas? Back side is the same.View attachment 2138894 TIA

could be lead buttons or some type of early seals