At least two of the larger screw heads - the one* at the far left in the 4th picture, for example - have damage to the edges of the slots. Minor, but there should be none. (*This one also seems to have a problem with its blueing.) In contrast, the smaller...
I’ll send this 1815 to Lange for a full service sooner like I did with my Emil Lange and I have absolutely no stress about that. I know that it’ll come back like new. So don’t be worry! It’s my watch not yours 😉 Best wishes Alkiro