Here are some sites to really get your blood flowing.
https://www.oldwestbottles.com
https://www.antiquetrader.com/auctions/legendary-ken-fee-bottle-collection-coming-to-auction
https://www.antiquetrader.com/auctions/rare-bottle-blows-past-estimate
Western Bottle News
Also, you should post it on any other bottle sites that you can.
https://www.antique-bottles.net/
More info, the better
Like others have said, go back.
You said it was a graded area, will you have a chance to dig?
you said that you were kinda new to the whole bottle digging experience,
look for any areas that might have a accumulation of glass shards, charcoal, trash, etc.
Believe it or not, shards of the bottle you found can be worth $$.
If they included embossing.
I was lucky years ago to dig two real nice bottles in one day, (not even close to the value of yours), and like you,
I had no idea of the rarity of either. One was the second known to exist.
Again, congrates on a fantastic find!
Carl
Add on, this video says it's actually an 1870's.
Your bottle just gets better and better!