I recovered this button locally at a site that has produced relics dating from 1810 to present. I believe it is a Virginia State Seal button, probably Civil War, but the backmark is very odd.
The button is brass, but not too corroded for having been in the ground over 150 years. It has been...
I saw these selling on a popular auction site as confederate disc buttons. When I Google confederate disc buttons I get nothing. Does anyone know anything on this subject.