CONECA’s Error-Variety Coin Articles

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1970-S Doubled Die Lincoln Garners $22,500

1970-S Doubled Die Lincoln Garners $22,500

by Ken Potter—NLG The photo above is courtesy of J.T. Stanton and not of the MS65 just sold. However, it is of the same variety. July 18, 2003—Sam Lukes of Visalia, California has confirmed the sale of a 1970-S Doubled Die Obverse #1 Lincoln cent graded by Numismatic Guaranty Corporation of America in Mint State […]

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So Just When Did Single-Squeeze Hubbing Begin?

So Just When Did Single-Squeeze Hubbing Begin?

by Ken Potter—NLG June 25, 2006 So just when DID single-squeeze hubbing begin in the US?  It’s a darn good question and the answer is a bit clouded.  However, until lately, in spite of your webmaster for years repeatedly stating that it started in 1985 or 1986, (Fiscal Year 1986), everybody else kept quoting 1997 […]

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Determining Die Doubling from Other Forms of Doubling

by J.T. Stanton, NLG Introduction Explaining the difference between die doubling (doubled dies, repunched dates, repunched mintmarks among others) and the more confusing forms of doubling can be very challenging and even more difficult for a novice to comprehend. Additionally, there are times when determining the difference can be frustrating for even a very experienced […]

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