This is a split grade coin IMO. Also, the obverse appears to be struck from a worn die. VF 25/VF 35. Net VF 30.
I'm not gonna bother guessing the grade...BUT, I will tell you...oh wait...VF30!!! Late to the game but I was at 35 and almost looks corroded or something on the obverse.
I got it right! I just didn't notice I typed F instead of VF but I said 30. Of I'm happy as those are not an area I collect.
The reason I was at 35, is because these are very difficult to grade. And sometimes they will get the benefit of the doubt upgrade.
Some are, some aren't - this isn't weak, it's actually a pretty decent strike - notice how the diamond, all of the orbs and even part of the bars at the top and bottom (all inset into the C) are struck up...
A nice example for a type set - decent detail with some honest wear and the most common year so the pricing is right.
Got it right at VF 30. If not a 30, I was leaning toward VF 35 to give the obverse of the coin credit for a weak strike or worn die. Nice coin. If I recall, my only trime type 1 is a raw 1851 O, the only non Philadelphia issue of the entire trime series. Dan