Actual circulation series.
A unique, perhaps R-series bill preserved only in this one piece.
With three lines of vertical folds, but also quite badly crumpled, even grodden and then straightened, which is not surprising in the case of this "miraculously saved" piece of the series destined for destruction.
At the intersection of the line of the right-hand fracture with the lower margin, a small overdate, but otherwise without any other overdates.
The banknote's presentation, despite the rather numerous creases, is good.