The bottom of the coin '96' looks funky and of course it is the closest internal area to the seal. IMO. Jim
It's still silver bullion, worth whatever an ounce of silver is worth. Surely someone out there will want it, even if it's just to buy it at market value of silver and crack it out to add it to their silver stack.
And there will likely be a bidder that sees the toning as a premium, as that is what youtube preaches.
Back in the 1990's everyone wanted shinny coins, so Morgans and other silver went from toned to clean due to expert dippers. Now over the last decade and a half toning is hot, so Morgans and other silver goes toned again. But you guys enabled that by paying big bucks for toning. And in another few years when people want shinny coins again, I suspect the expert dippers will be at work getting rid of the toning and sending the coins back to NGC and PCGS for re-slabbing. And you guys will be paying big bucks for that.
It reminds me of the gassed slabs. Silver Eagles and fairly common world coins (many that are under $100) are the biggest targets for this since they are inexpensive. If it doesn't work out (like this example where the color appears unappealing), there won't be a big loss (and sometimes it still garners a profit).
Why? Someone will probably pay silly money for it, and Heritage will make a nice profit. Then if they change their mind or later decide it was artificially toned Heritage can just say "take it up with the TPG".
I has a ASE and the reverse was immaculate and the obverse looked like the above. I don't believe it was altered/gassed.
Possible? Yes. Natural? I think not. There is a fun video floating around on Youtube that shows you how many of these ASEs are made.
I can say this much, that brownish purple shade of color is not unusual at all for ASEs. Back in 2000 I bought a roll of new ASEs, put each one in an Air-Tite and then put all of them in a Tupperware container, with only them in there, and stored them away. Within about 3 months every single coin had that same brownish purple shade of toning starting on both obv and rev. Within a year every coin had significant toning of that same color, not on the entire coin but in various patterns. I sold every one for a significant premium. Each of the following 2 years, I did the exact same thing, bought a new roll, stored them the same way, same color toning appeared on every one. Sold all of those too. So, while I definitely find the pattern of toning on the OP coin unusual, that specific color rings true. Does that mean with any degree of certainty that it's NT ? No, because anything mother nature can do, man can as well with only a little effort.
Time again to start gnawing at the question of whether deliberate toning can be anything but "artificial" toning...
When I put the the 1st coins away, I had no intent and most definitely did not expect ANY toning. I was flat out shocked when I saw it. The 2nd and 3rd years, yeah, guilty your honor Of course that's just one more reason that I have said for longer than this forum has existed that the one and only difference between AT and NT is intent