Top row, Silver washed pewter button, .58 3 ringer, the next 8 are .570ish Confederate 3 ringers, sabot fragment from an artillery round, unidentified brass piece.
Middle Row, US General Service Eagle Button, fired 3 ringer, 6 dropped Enfields (one is stepped on), dropped Williams Cleaner, fired 3 ringer
Bottom row, Fired 3 ringer, Fired Williams Cleaner with separated disk, fired Confederate 3 ringer (note the difference in width of the base ring), fired Enfield, 2 fired Williams Cleaners, two fired 3 ringers.