🔎 UNIDENTIFIED Need some button id help

[mjb Mike]

So I would like some help with age and if these buttons are British.or were you think they could be from.I am looking for a specific historic site in my area here in Maryland the site was settled by the British in 1650 thanks for the help

 

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[mjb Mike]

More pics

 

[mjb Mike]

More

 

[mjb Mike]

one of them is a different metal thinking pewter maybe

 

[Blackfoot58]

This chart helps ID buttons by type and age range. Maybe it will help.
I couldn’t tell enough from the photos.

 

[ncsuwolf]

Can’t help with origin, but the “silver” button is likely tombak. Think they ranged from mid 1700s thru ~1800.