One thing i suggest doing to definitely rule out pmd such as adhesive residue is to carefully apply acetone to the surface for a few minutes and see if the aberration rubs off.
Penny lamination error.
Coins for sale for planchet errors type errors items.
This determines the size and shape of eventual coins.
Hi rachel it s difficult to say for sure in a photo if this is lamination but it looks like it might be.
An example of a common issue with a lamination is this 1958 d lincoln cent with an easy to see attached planchet lamination on its obverse.
In the case of clad coins the outer layer may be completely or partially missing on one or both sides.
Split planchet errors are also similar to lamination errors which occur when parts of the coin flake off due to impurities or other abnormalities in the planchet.
It is generally believed that lamination errors are caused by contaminants in the alloy that cause the metal to separate along the horizontal plane.
Mints purchase long strips of metal which are fed through blanking machines that punch out disks known as blank planchets or simply as planchets or blanks on which coins are struck.
Split planchet errors occur on solid metal coins such as alloyed coins like bronze pennies or copper nickel five cent coins and occur due to impurities in those planchets.
1959 d lincoln cent obverse lamination separated fragments this coin has a laminated obverse with the small piece of the obverse having split off after strike.
How much planchet errors errors are worth.
Lamination errors are planchet errors in which the surface of a coin cracks and flakes.
Lamination errors may be missing or attached to the coin s surface.