At first I was thinking that the quarter was a squeeze job, but the stuff on the back looks like glue dripped. Since you have it in hand, it will be obvious which is the case, but either way that one is PMD (post mint damage). The nickel looks like a clipped planchet, but closer pics would make me more sure one way or the other. Welcome to CT.
I'm thinking both are glue jobs. The quarter was glued to another coin and then separated leaving a reversed image of the removed coin. The nickel looks like somebody folded a wad of gum over the edge. Glue jobs...that's my theory and I'm sticking to it!
I agree that the quarter is a glue job. The nickel looks like a poor attempt to fake a clipped planchet. No Blakesley effect, and not perfectly rounded.
The quarter is a glue job. Dip it in acetone and the glue should come off. The nickel may be a genuine clip. Can you post a GOOD photo of the edge inside the clip? (You will need better illumination than you have in your other photos.)
OK, I went back and looked at the nickel and I was completely wrong on my first guess. I really though something was folded over the edge and didn't realize that whole section was missing. I would think a clip that large would produce a Blakesly Effect so I'm leaning towards a faked clip.
I know the Blakesley Effect is missing on the nickel but I think it could be genuine. If you look at the edge inside the clip you can see the 'cut and shear' that you would expect to see on a genuine example. (I also see a second smaller clip on that coin beside the date. So it could be a double clip.)
Blakesley effect is a confirming indicator. the lack of it visually is not nessisarily conclusive. I have seen clips where the blakesley effect was not noticable untill you looked at the rim straight on.That being said, the only sure sign will be when we can see the clip cut at the rim. In this case, however, the distortion of the lettering at the second, smaller clip confirms to me that this is a genuine double clip. Richard
All I have to say is that we have some very knowledge members on this forum and I am glad to know them..All are very old err wise and it's good to pick their brain good info gentlemen!