Corners are sharp and square, without any evidence of rounding. An uncirculated note will have its original natural sheen. A virtually perfect note, with some minor handling. May show evidence of bank counting folds at a corner or one light fold through the center, but not both. An AU note cannot be creased, a crease being a hard fold which has usually broken the surface of a note.
Paper is clean and bright with original sheen.
Corners are not rounded. May have a maximum of three light folds or one strong crease. Paper is clean and bright with original sheen. Corners may show only the slightest evidence of rounding. There may also be the slightest sign of wear where a fold meets the edge.