The hair right above the ear on the obverse, and the breast feathers on the eagle, on the reverse are the two high points to look at first. Also if it has the orginal mint luster is a deciding factor. I collect and love Morgans, and I think that it is a great looking coin that you have. Get a book and try grading it yourself, then subtract two levels, and that is probably realistically what it is. This way you won't be disappointed, but it's always a nice surprise if it grades higher professionally.
The Red Book Says AU-50 @ $19.00 Wear on the High Points of hair and the Breast feathers of eagle. Thats what I see from the picture so its hard to say.
NICE COIN!!!
Keep @ it and HH!!
Disclaimer: I am new to this, and I am not a pro. I could be wrong!!