timbres667 - These classics were never issued in coils or booklets etc. They were printed in sheets with wide selvage:

(Image from Germeten Auction catalog nr 88, 2015)
As far as I know, the selvage was more or less equal at all sides. Make your own conclusion

Apart from the obvious poor condition in itself - your stamp has a marvelous SOTN postmark 'Flekkefjord' July 5th, 1865 - which in my opinion makes the stamp quite presentable nevertheless
