1837 Large Cent, Grade Vs. PCGS, Attribution Check Please?

I finally got this in hand. Still new to the whole EAC thing.

1837 Coronet Large Cent, Plain Cord, Medium Letters.

In PCGS OGH, and they have it as an AU-50 with no other notes on the label. I'm using this to try to practice both attribution and also photographing through a loupe.

Does AU-50 hit this coin right on the money? It does have a bit of red left but not much.

I have this as an N-4, after trying out my new copy of Newcomb's book. No matter what I do, the die cracks are nearly impossible to photograph, but they are clear as day under 10x. The crack matches exactly for an N-4 (3rd through 7th star then over the top of 8) with the reverse leaves in the correct positions for that die as well as the crack between the F in OF and the AM in AMERICA and the broken curl ahead of the ear.

Does the relative difficulty in seeing the cracks with the naked eye mean that this coin came from an earlier or later die state?

Obverse die crack (10x)



Obverse die crack 2nd attempt (10x)



Position of curl vs. 7 in date (10x)



"LIBERTY" and ear (10x)



Reverse crack from F/drop to A then up and over letters



Reverse color



Obverse color



Slab label and grade



Thank you for reading and looking, and I am very interested to hear your opinions and any insight you can provide me as I jump into the EAC waters. :)