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Seated 25c comparison

I was trying to assess this 1840-o Seated 25c, to me it looks like at least choice VF or even XF based on Coinfacts comparisons:
https://i.imgur.com/LFqLISm.jpg https://i.imgur.com/D3MaPjf.jpg
http://www.pcgscoinfacts.com/Coin/Detail/5393
A couple VF35 coins: https://coins.ha.com/itm/seated-quarters/1840-o-25c-no-drapery-vf35-ngc-ngc-census-1-86-pcgs-population-6-55-mintage-382-200-numismedia-wsl-price-for-ngc/a/1126-8353.s?hdnJumpToLot=1x=0&y=0
A couple EF examples: https://coins.ha.com/itm/seated-quarters/1840-o-25c-no-drapery-xf40-ngc-ngc-census-12-82-pcgs-population-13-57-mintage-382-200-numismedia-wsl-price-for-p/a/1166-10798.s?hdnJumpToLot=1x=0&y=0
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Take a look at the two XF coins on Heritage. What do you think? Which is actually an XF? That's why you need to look at the coin and not the label. Same thing occurs with coins graded VF.
The coin in your first link is VF - at least by the reverse. But, it's not very nice looking.
The reverse of the first coin looks VF+, and fully original. However, I think the lighting in the photos was not optimal, so it might be XF with a different view. Can we see the obverse?
1840-O No Drapery quarters are very common, and it makes sense to wait for a nice one to come along before purchasing. Many of the extant high-grade examples have been dipped at some point, and a significant fraction of these dipped coins were buried in the ground at one time (New Orleans hoard). There is no sense in spending a lot of money on a B-grade example of a common date, so I presently have a VF+ example in my own collection until that "perfect" AU or Unc. comes along.
On the New Orleans hoard wouldn't the buried coins have env. damage, or is that only true in some cases? The pics. were scan images.
Some of them surely had corrosion or other problems and would not straight-grade.