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Struck Through Grease
rainbowstew_54
Posts: 75 ✭✭
I found a Quarter Struck Through Grease, it's a 19 (cough) 5 - Do people collect these. I can't seem to find much info on these type of coins such as how much to ask or what would be a reasonable offer? Thanks 
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I don't think thats an error but we'll see what others say. On my phone that looks like gunk buildup on the coin.
Assuming the areas in question are raised, why would you think they are struck through grease? In order for the dies to strike the design they need to come in contact with the surface of the planchet. If grease was in the way it would have been flattened down and any loss of design would be due to an incuse void caused by grease taking up space against the die.
Definitely not an error. Just an old coin with gunk on it.
Agree with the gunk buildup. A soak in acetone should remove it.
Worry is the interest you pay on a debt you may not owe.
"Paper money eventually returns to its intrinsic value---zero."----Voltaire
"Everything you say should be true, but not everything true should be said."----Voltaire
With circulated coins, you can experiment with a wooden toothpick and touch the discoloration to see if you can remove it. You can also dip that coin in acetone to see if gunk will dissolve. Sharper images would help presenting a coin here. We want to see the obv and rev if relevant. Check out Plugable usb microscope on Amazon for your cell. Close-up images are great and I go thru lots of coins expeditiously. Strike thru a liquid generally doesn't add anything to surface, heat and pressure evaporates liquid and interferes with a full strike. It also alters the surface finish. The hunt continues. Peace Roy
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Rose thorn is better than toothpick.
nah, just PMD
BHNC #203
@rainbowstew_54 Looks like the remnants of long decayed bubble gum. Might be of the sour-apple variety.
Not struck through grease... that is a buildup of some material that would come off with an acetone bath.... get pure acetone, not nail polish remover....Cheers, RickO
CG - circulation gunk
All of you were right - it was 'Gunk' I gave it a 15 minute soak in hot water and dawn dish soap, a bird feather scrub and now she's all ready to be released back into the wild.
I'll bet it's 1985.
Good job at getting that gunk off. Some folks would just argue and not bother trying to get to the real answer. Don't get discouraged, keep searching!
"A dog breaks your heart only one time and that is when they pass on". Unknown
The "real answer" was already given - scraping off the gunk merely illustrated it to the OP.
How can a mound of gunk on a coin possibly be a "struck-through" error? Did the grease cause an indentation into the die, thereby allowing for a mound of the stuff to be left rising off the surface of the coin?
When a coin is struck through grease, the grease prevents metal from flowing into the recesses on the die, or it sometimes causes an indentation or rough patch on the surface of the coin.
It is important to visualize what occurs when an error happens. It will avoid a lot confusion when PMD is encountered. If the OP is actively looking for errors, this sort of understanding is critical.
I think that more like "stuck on grease".
A struck through grease coin will have an element of the design missing, like a letter or other detail. The struck through material will be long gone by the time the coin is found.
Collector, occasional seller