I only found pieces with the correct N on the internet - very interesting!
Wolfgang Janßen 29.5.2024
It is not easy to find this coin, usually the line under the monogram is just
1
SondelSuechtig 30.5.2024
Mirror-image letters occur again and again. When making coin dies, the letters had to be carved in mirror-image so that they would be the right way round on the coin image. It sometimes happened that the letter was not cut into the die in mirror-image.