Help with a Button

[rcumbee64]

Found this flat button at a very old home site. Flat on the front with no writing visible. Back mark is "Lewis & Tomes Extra Rich" with shank in place.
Button is 19.45mm. Please Tell me about it and what it is worth.

 

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[HutSiteDigger]

Lewis & Tomes Extra Rich buttons made a lot of federal artillery & naval buttons, most of their buttons are high dollar of course ones like these are Button backmarks, Lewis and Tomes, New York & London. This flat button would be roughly from 1820-1850 and would be $3-$5. Still a kewl find!