Opinions on an 1870 PF Quarter

Hello everyone,
I've been reading up on quarters and I've come across two coins which I think are the same coin. Can any experts from the forum weigh in with their opinions? #83931601 is a PCGS PF64 and #35103304 is a PCGS PF65+ but I think they're both the same coin.
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Comments
Link for the PF64:
https://www.pcgs.com/cert/83931601
Link for the PF65+:
https://www.pcgs.com/cert/35103304
I vote they are the same! Color finally got it a bump IMHO.
I think they are the same coin.
Partner @Gold Hill Coin

thanks! do you think its been messed with? or still original?
That was a nice $1000 bump!
1947-P & D; 1948-D; 1949-P & S; 1950-D & S; and 1952-S.
Any help locating any of these OBW rolls would be gratefully appreciated!
It's the same coin and I imagine that it is no less original than it was previously and that the difference in appearance has more to do with the angle of the lighting than with anything else.
In honor of the memory of Cpl. Michael E. Thompson
Sure, they're the same.
Kind regards,
George
It is same coin.
One thing I have learned about Proof coins. Once you get beyound PR-63 (PR-64 and better) you can't tell that much from most photographs. Therefore I can't say of the upgrade was warranted or not. I'd have to see the coin in person.
thanks! do you think its been messed with? or still original? > @KollectorKing said:
Thanks for posting the pics. I couldn’t figure out how to do that in my original post
Thank you! I couldn’t tell if the reverse had been played with because it looked a little bit different. So it’s probably just the angle of the lighting I guess
I think that it now has more toning. That could be due to an increase in the toning process or some help. My guess is it's the first assumption, which might not be all good. If it continues, that could become an issue.
My comments about photos apply apply mostly to hairlines which can be emphasized or de-emphasized by the angle of the photo. Color can also be changed, but that can be due to lighting intensity and angle.
Thank you for such a deatailed response. My instinct said it was the same coin but that the color had been altered. The obverse looks lighter and the reverse looks darker to me. I’m not an expert i how to add toning to a coin but I thought it was curious.
I don’t think it was ‘original’ for many decades
So you this it was dipped a lot time ago and then retoned?
Yup
Just realized I completely butchered that sentence and you still made sense of it. Thank you for your wisdom. You have one of the prettiest sets of coins I’ve seen so I’m going with your expertise.
Definitely the same coin.... and it could be lighting that makes the tarnish look different, or it could be progression... would have to see it in hand. Also, TDN is likely correct as to the back story.... Cheers, RickO
Differences in lighting and exposure. For example, if the right rim of the 601 obverse is brought to the same density and color as that on 304, they will look nearly identical.
Went from a population of 39 to a population of 2.
What manner of magic is this?