Your entry is hard to read because it is wider than the screen and you have to keep scrolling over. However, I’ll take a stab at this.
In my opinion, first round on the left is simply a standard SmK AP round. The second round is a standard type s.S. ball round with the point of the bullet clipped off. You see this commonly, done by people trying to make a hunting round out of it. A very poor practice due to the danger of having a cored shoot-through and leaving a jacket stuck in the barrel. I have no idea what the thrid round is. I would think it a fake, except it is from a factory that did a lot of experimenting, and the primer appears to be uncrimped, which often denotes an experimental loading, although not always. Sadly, onl my screen, I cannot read the lot number and date on the headstamp - it is too washed out. Your fourth round should be a Gaspolstergeschoss Patrone (Gas Cushion bulleted cartridge). I can read the lot on that, either. It is important, for as far as I know, all known legitimate ones are edq St+34 44. Still, the primer appears to be uncrimped - again, hard to tell in that photo - which would be correct. The last one appears to be a standard Model 1888 ball cartridge with nonsensical colored markings added by someone with more time on his hands than he needs. Just my opinion on that one.
The picture of the headstamps is not a good one on my screen. If it turns out that cartridges 3 and 4 have primer crimps, then I would say the chances are good that they are fakes. If they don’t, they may be legitimate, and if the lot number is 34 of 44, they are likely legitimate. I have three variations of cartridge in that one lot number, all with no primer crimps, Gaspolster, SmE late-type zinc-coated bullet with very dark finish, and SmE late-type zinc-coated bullet with what appears to be a normal, production bullet. The Gaspolster is not hard to fake. Some loose bullets have been found - I have one - and it shouldn’t be hard for someone with a good lathe to cut the groove in the bullet. Pulling it would tell the story if you know what the rest of the bullet looks like, but then, if I thought a gaspolster round was legit, I wouldn’t disturb the crimp and chance other damage by pulling the bullet.
Just my thoughts on these. I could have done better with a better view of the bases, I think.