@cg99, there are some folks who pay extra for special toning on their coins, but I'm not one of them. As to whether it makes sense to get this slabbed, my personal opinion is no. I'd keep it in the packaging in a low humidity environment.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz