1812 Capped bust Half

I did a little more research on this subject. Although it was hard to find a coin in the same condition. I did find one the exhibits some of the crusty toning like mine has.
This one is from a legend auction. The neck cheek and ear area, along with the peripherals seem to have the same looking texture.
https://legendauctions.hibid.com/lot/29137244/50c-1812-o-104a--ngc-ms62/

I don't know that I am seeing a rusted die. The coin looks extremely original, and I am scared to even give it a dip in acetone for fear of what it might remove from the surfaces.
I wish I had an Overton reference, to see the exact diagnostics that define an O-104 from a O-104a. From what I have been reading and present in the description in a Heritage auction.
One of the diagnostics for the O-104a is the die scratch through the left facing wing.
https://coins.ha.com/itm/bust-half-...u55-pcgs/a/1207-3455.s?hdnJumpToLot=1&x=0&y=0

There is a small die rack from the bust to the 1 in the date it is hard to see.

 

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The die scratch is present on all 104s--regardless of die state. It disappears with wear on the coin.

The a die state is determined by
Obverse: Die crack from left of 1 in date across end of bust to star 1.
Reverse: Fine die cracks at NITED and top of STATES. Another fine crack from olive leaves across eagle and scroll to OF.

Not my coin:

 

Thanks there really isn't much information on line to make the distinction.

 

Seeing the closeup of the date makes me think that bumpiness I see is just an artefact of the heavy die flow lines.

 

With these new pictures, I was starting to lean that way myself.

 

I love the Coin. Thanks Ya'll for helping me decipher all of it.

 

Just some fun shots that I need to get better at.
No doubt that it is a O-104.
Here is the die crack thru states.

 

Playing with the Magnifying glass.