I`d put 10 large to better use. Buy 100 copies of The Party Badge book and sit on them for a few years. Worth their weight in gold they`ll be....
P.421 The N E R badges. More good fakes. However, you must admit they display that surgical-cut style hakenkreuz akin to the Dutch supporter on the previous thread page that Erno posted. Besides your book, I haven't seen these fakes but I also don't look for them, they're not Party badges.
Sometimes pictures don't do justice for our hobby and it's possible the stickpin in question is easily deemed fake but from the photo alone, I just can't tell. You've been handling them for decades and maybe seen this one before?
here is my fake, as spotted by other members recently