Coin and Paper Money Collecting/Error dime

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Question
1991 P dime
1991 P dime  
QUESTION: I have a 1991 (P) dime that has a hole punched through it.  It looks like a mis-struck coin (as opposed to something intentional) but I can't find any information to confirm this.  Have you seen this type of error before?  Thanks in advance for your answer.

BTW I propped the dime up for the photos with a toothpick and you can see the tip of it clearly in one of them.

ANSWER: Ray:

Hard to say with the photos you provided. Could be an error, altered, or damaged. Altered or damaged coins have no added numismatic value.  If an error, looks relatively major in nature. Possibilities from your limited description include a damaged planchet, occurring before it was struck, or a defective planchet. High value would likely be in the $25 to $50 range, if real.

Sometimes you can think you have a real error coin. Here are examples of coins either being altered or damaged.
See link: http://coinauctionshelp.com/page15.html
See link: http://conecaonline.org/content/OhNo.htm

You may want to check eBay listings under US coins in the error category to see what regular errors are going for. You may also want to check out these links on error coin values:
http://www.coinsite.com/html/USErrorPrices.asp
http://www.minterrornews.com/priceguide.html

If you live close to a local shop, they should offer an opinion as to it's value and if it is authentic at no charge. Always try and get at least two opinions and try and deal with PNG dealers if possible. Here's a link to find one in your area: http://www.pngdealers.com/dealersearch.php

Please remember to go to the experts site to rate this answer. Check the nomination box on the rating page below any comments you may have.

Thank You and Good Luck in your collecting.

---------- FOLLOW-UP ----------

1991 P dime
1991 P dime  

1991 P dime
1991 P dime  
QUESTION: If I could bother you once more... I took some better photos of the dime and I would really appreciate it if you could check them also.  The closest coin shop to me is almost 200 miles away.  Thanks again!

Answer
Ray:

Thanks for the better photos. In my opinion, the coin was damaged after striking, and has no added numismatic value. Understanding the minting process reveals the reverse of the coin has no metal flow into the "punched out" area, supporting after strike damage.

You may want to contact this group with the better photos and get a second opinion. Hope this helps. http://groups.yahoo.com/group/errorcoininformationexchange/  

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Ronald Fern

Expertise

I can answer most all questions relating to US coins, tokens, and currency. I'm not strong on world coins or ancients. Primary field of expertise is errors and varieties. Over 55 years experience in coin collecting. Part time dealer since 1976. Employed by McDonnell Douglas/Boeing for over 34 years as an Industrial Engineer/Technical Specialist before retiring in 2002.

Experience

Worked weekends for "Lonesome" John in the late 1960's to mid 1970's processing error coins, packaging, and preparing orders. Worked with John Devine and Fred Weinberg on several California Error A Rama's in the early 1970's. Served as display judge at annual Error-A-Rama coin shows. Opened and operated mail order coin business DBA "CAL ERRORS" in 1976. Contributor to Alan Herbert's "Official Price Guide To Mint Errors" and Fivaz/Stanton "Cherrypickers' Guide". Worked Saturdays at Huntington Beach Coin Exchange 1980-1999. Had table and sold coins at a number of coin and gun shows in So CA, AZ and NV. Sell coins, tokens and currency on Facebook. Past "Errorscope" Editor. Presently CONECA Examiner.

Organizations
ANA, CONECA, CWTS, NLG

Publications
Errorscope, Numismatic News, Civil War Token Journal, Error and Variety News

Education/Credentials
AA Degree LBCC pre Engineering, 1964 BS Degree CSULB Ind Technology, 1968

Awards and Honors
1st Place EAR Trophy for Civil War Token Errors, NLG Author of Year Award for best monthly coin column "Error News and Views" in small Numismatic paper, owned and published by Ray Anthony.

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