Coin and Paper Money Collecting/Expert Profile

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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 in the area

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.




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


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.

What do you like about this subject?

Understanding how coins and currency are made, and sharing my knowledge of errors and varieties with others.

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Jeff Flick02/01/17101010Thanks very much for the quick reply! .....
Will12/09/16101010Thank you. Wm
Carolyn10/25/16101010Thank you Ronald for answering my question .....
Kyle10/13/16101010Simply the best.

Recent Answers from Ronald Fern

2017-01-30 1980 error quarter?:

Based on attached pics, I'd say you have a regular quarter that either had well used dies strike this coin and/or a combination of PMD or post mint damage where there is some distortion to the date and

2016-12-24 1973 US Quarter with flaws:

Likely a minor filled die error. Minimal added value to an interested collector. Result of dirt, grime, grease, and/or metal shavings found on die surfaces, preventing full strike on coin. A repetitive

2016-12-03 Fake penny?:

Based on pics provided, I'd say real, and likely PMD, post mint damage. Since 1982, cents were made of copper plated zinc. I'd say your coin went through a wash process and removed some of the copper plating

2016-11-27 Proof coin:

As an error, it would be classified as a struck through (object) error. Debris, grease, dirt, grime, etc., can fill part of the die surface, and prevent the coin from being fully struck. It would be a

2016-11-12 1974 possible error coin. How to know its rarity and worth.:

Likely a filled or greased die error, where a foreign substance (dirt, grime, metal filings, lubricant) filled a small portion of the die area, preventing the coin blank from being fully struck. This would


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