Looks like dried glue on the reverse side
The 1942 Cent is genuine
....and that's assuming it's genuine, which I can't confirm from the photos. The coin looks 'mushy' as to strike details; I'm suspicious.
It's not a split planchet. The coin has been cut in half, horizontally, and it's a damaged/ altered coin. Not, and was never, an error, I'm...
Looks like a chemical was on the surfaces ..... Not a lamination or struck thru, based on what I can see in the photos.
Maybe not in a dryer, but the edges have been 'tapped' to remove the reeded edge. PMD
It's the collar marks from being struck off center.
all are circulation hits/damage, etc. They did not leave the Mint with those letters
It doesn't have 'silver on the top' That's the Zinc core you see, after the coin has been scraped and damaged.
Damaged
'filled die' struck thru grease or machinery oil.
There are large quantities of ASE's out there exhibiting nice Mechanical Doubling.
Minor Mis-Aligned Die
circular lines are from the coin being 'jammed' in a counting/rolling machine.
PMD
Well-known, and common, die chip. Keep it as an example of a die chip, and let your daughter know it was an error she found !
It was an unclaimed SDB in San Francisco, and the coins were sent to the Treasury Dept. in Washington, who sent them all back saying basically...
'de-plated'
Sorry, it looks like a rim ding. Damage
They're not Mint error coins.
Separate names with a comma.
