I see no evidence of split serifs...there may be some subtle strike doubling and possible PMD, but it is not a doubled die. Added: the guy that...
I think your estimate of $5-9 is off, but uneducated buyers on ebay tend to bump up the price, so I wouldn't be surprised if it got that price.
Oldest (also R3): [ATTACH] 1816 newcomb die 3... Rarity of R5-... [ATTACH]
Looks like plating issues IMO.
Might just be the grain of the coin?
Raised lines are from abraded dies. Cleaning is from incuse scratches.
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