Today I went back to the field I've been hunting. Dug this rough large copper one cent. Makes 13 total coppers so far and about 30 1700's era buttons and three silver reales . It actually 1841
Classic Heads have a protruding bust, Matron/Coronet Heads have a bosom that's level with the face (and a flatter facial profile), Braided Hair heads' faces protrude past the bosom/neck.
Large cents can have varying diameters, and diameters may also be affected by environmental conditions. It's not 1811 no matter what the date looks like. Look at the bust outline.