Quarter with very worn date??

[TreasureCatto]

June 6 - Yesterday I Went thrift shopping across town and payed only in cash. Of course I’d get coin change back, so I looked through my change afterward and found this strange quarter with a very worn out date. The rest of the quarters condition was au 55 or very fine. It is a 1997 Philadelphia minted quarter. Can anyone give some thought on how the date got worn so quickly? There are no traces of rubbing or scraping around the date. Mint error? Scraped off or Rubbed off? Post-Mint experiment or circulation? Anything helps thanks!

 

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[trdking]

Curious, It could be a clogged up die. It does not look from the pictures to be removed. Take it to someone and have it looked at. Could be a fun error. Someone correct me if they see different?

 

[huntsman53]

Curious, It could be a clogged up die. It does not look from the pictures to be removed. Take it to someone and have it looked at. Could be a fun error. Someone correct me if they see different?

Yep, a grease clogged or filled Die.

 

[dejapooh]

Most certainly a Grease filled die. Not a rare error, but more serious than most filled dies. Usually you will see a letter or a number, Several numbers completely filled is pretty severe. As for value, your guess is as good as mine.

 

[Megalodon]

This coin appears to be an unusually strong strike - as though the mint might have compensated for a dirty die by increasing strike pressure, leaving strong details in Washington's hair and eagle breast feathers. Yes, appears to be at least AU.

 

[dejapooh]

This coin appears to be an unusually strong strike - as though the mint might have compensated for a dirty die by increasing strike pressure, leaving strong details in Washington's hair and eagle breast feathers. Yes, appears to be at least AU.

As parts of the die fills with grease, the other areas can become slightly stronger strikes. Under pressure from the dies, the metal acts like a liquid and flows into the recessed areas of the dies (to create the relief of the coin). When part of the recessed areas are filled on the die, there is less area for the metal to flow into, under the same pressure. More can then flow into the existing area to create a stronger strike. Though, there was not THAT much area filled with grease this time, it may have been enough to account for a slightly better than average strike.