Yes can be frustrating or rewarding. My heart rate always goes up. I usually have eBay open on my phone and computer with two separate bids. Second one at my limit. But you must set a personal limit or it can get crazy 🤪
You are right. On closer examination it does seem to be an f after the 2. I had thought it was just something that had got scratched into the visor there. So 2 f
I picked this up yesterday. Similar to another hemet discussed on this site here:
https://www.pickelhaubes.com/xf/threads/pickelhaube-officers-1st-year-volunteer-turned-into-a-m15-pickelhaube-with-cardboard-visors.16251/#post-112289
Hard to make out but I think it is JR 116 on the left of...
It is definitely Prussian though. I think somewhere on the site here someone posted pictures of the different colours and what they mean. I think Tony has some stuff on his site as well. Here it is:
https://www.kaisersbunker.com/dunkelblau/headgear/