Found these two partial buttons. The first looks like it may be a rev war period rattlesnake and egg? Anyone seen one like it? Also another button design I've never seen and a (lead)? Cross.
Buckleboy, the examples I've seen have 7 eggs on the inside of the coil and the remaining 6 on the outside. I agree that this is probably civilian but was curious as the coil seemed to be expanding and these two were found in close vicinity to an 1812 artillery camp.