Colonial cuff link?

[JAMT225]

Found these close to each other this evening

 

[Broken knee]

Neat find, are there any hallmarks on it?
Broken Knee

 

[JAMT225]

not that I can see

 

[timekiller]

I say yes with the tombac button you found to Late 1700's early 1800's but the piece holding them together is a little different late 17th to mid 18th century.
http://www.ukdfd.co.uk/ukdfddata/showrecords.php?product=21598&cat=203
Nice find!

 

[JAMT225]

Thanks