Welcome to the CONECA Web Site! 
CONECA (pronounced: CŌ´NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers—just to name a few. In addition to its website, CONECA publishes an educational  journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country. 

CONECA was formed through a merger of CONE and NECA in early 1983. To learn more about the fascinating HISTORY OF THE ERROR HOBBY and THE HISTORY OF CONECA, we encourage you to visit those pages on our site! We thank everybody who has helped make CONECA the great success that it is today!

The May/June 2019 color issue of Errorscope
has been added to the members only section of the site.
Log in today and take a look!

CONECA’s March-April 2019 Issue Of ErrorScope
Features Unusual Errors

The Combined Organizations Of Numismatic Error Collectors Of America’s (CONECA’s) latest issue of the ErrorScope has left the press and is arriving or has arrived to member’s mail boxes now! The color online version has just been posted on the CONECA Web Site Members Only Area as of today. The issue is top heavy with a diversity of interesting error-variety articles from new and old authors alike. As one peer reviewer of the issue stated last month (during the review) it is the best issue of E/S he has ever seen in the 35 years he’s been a member!

Some of the best articles were from Young Numismatists (YNs) of which there were three in what was the first issue of ErrorScope with the YN Program being coordinated by new YN Board Seat Member Logan Wostyn.

Frequent Exhibit Award Winner and YN, Hayden Howard of Michigan described his favorite error as being what the hobby often calls a Mickey Mouse error because it often represents a planchet that has been double struck with both strikes off center. He illustrates it with one from his collection on a Lincoln cent. A Mickey Mouse Error can also be a triple strike with the first strike centered and the following two strikes off center in positions to make it look like Mickey.

CONECA YN, Benjamin Simpson wrote about a No Date-D Kennedy Half dollar that was struck on a silver dime planchet. He was able to determine that is was a 1964-D Half dollar by the fact that the Denver Mintmark was located on the reverse – the only date on which the Mintmark can be found on the reverse for the entire series. The coin also features an interesting strike-through something (scrap?) error on the obverse making it a Multiple Error.

CONECA YN, Hunter Hicks, penned a story about the 2008 Abigail and Louisa Adams Mule medal that can be found in the bronze Presidential Sets sold by the United States Mint. He states that “Mules consist of two sides of a coin not originally intended to be together. This concept was first popularized in 2000 when a mule between a 2000 Sacagawea dollar and a 1999 Washington quarter was discovered. This was the first noted mule in the mint’s U.S. Mint’s over 200 year history, yet less than ten years later, another mule came up.” He details the history of the error’s discovery and why he feels it is underrated.

Denny Polly wrote two lengthy articles replete with lots of photos, one on coins struck on Split Planchets and another on some of the coins in his collection of Franklin half dollars. Shown here is his 1959-D Jefferson struck on a planchet that split horizontally before it was struck and a 1963 Franklin Struck On Holed Defective Planchet from his second article. These internal planchet defects are sometimes called “Blow Holes” – a term borrowed from the welding trade.

Joe Cronin wrote contributed a detailed 4-1/2 page article entitled “Nothing to See Here” A Collection of Some Rare Blanks and Planchets” He illustrates and describes in depth, blanks and planchets from half cents through some Eisenhower dollar blanks/planchets and many in between such as Copper-Nickel Flying Eagle/Indian Head cent and Two-cent blanks and planchets plus some experimental planchets. It was his first article in E/S and extremely well written and filled with rarities. He begins his article by explaining the difference between a blank and planchet illustrating it with both to show the differences. The pair is shown here.

Famed CONECA Member and Morgan and Peace Dollar expert Leroy Van Allen submitted and extremely detailed account of the 1879 O VAM 4 O/O/O Horizontal Morgan dollar illustrated with no less than eight images of stages in his three page article on the subject! Anything you ever wanted to know about this variety is here!

Ron Brown asks “Are Two 8’s Better Than One?”, the title if his submission where he goes on to describe how the “Dropped Numeral” error type occurs. He shows his 1985 Lincoln cent displaying a “Dropped 8” from the date where the clogged digit of the 8 fell out of the cavity of the die and got struck into the coin near the rim. His was the cover coin for that issue.

Isaiah Hageman wrote about Double Denomination coins describing how one denomination stuck can find its way back to a press and get struck again by the dies of yet another denomination. He illustrates his piece with a 1984 Lincoln cent struck on a flipped over struck dime.

Anybody wanting to join CONECA should contact Maria Rickert – Kittell at P.O. Box 233, Armada, MI 48005 or email maria@conecaonline.org

A copy of the application form may be download at http://conecaonline.org/content/join.html. Annual dues are as follows: Adult Member $25.00 per year, Young Numismatist (online Errorscope only) $7.50 per year or (online Errorscope plus mailed hard copy) $17.50.

CONECA members wishing to receive a login username and password to access the Errorscope Online Members Only area, please email the Membership Coordinator, Maria Rickert – Kittell at the address listed above. A valid email address on file with CONECA is required for access to current and back issues of the Errorscope online.

 

Welcome to the CONECA Web Site! 
CONECA (pronounced: CŌ´NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers—just to name a few. In addition to its website, CONECA publishes an educational  journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country. 

CONECA was formed through a merger of CONE and NECA in early 1983. To learn more about the fascinating HISTORY OF THE ERROR HOBBY and THE HISTORY OF CONECA, we encourage you to visit those pages on our site! We thank everybody who has helped make CONECA the great success that it is today!

The May/June 2019 color issue of Errorscope
has been added to the members only section of the site.
Log in today and take a look!

CONECA’s March-April 2019 Issue Of ErrorScope
Features Unusual Errors

The Combined Organizations Of Numismatic Error Collectors Of America’s (CONECA’s) latest issue of the ErrorScope has left the press and is arriving or has arrived to member’s mail boxes now! The color online version has just been posted on the CONECA Web Site Members Only Area as of today. The issue is top heavy with a diversity of interesting error-variety articles from new and old authors alike. As one peer reviewer of the issue stated last month (during the review) it is the best issue of E/S he has ever seen in the 35 years he’s been a member!

Some of the best articles were from Young Numismatists (YNs) of which there were three in what was the first issue of ErrorScope with the YN Program being coordinated by new YN Board Seat Member Logan Wostyn.

Frequent Exhibit Award Winner and YN, Hayden Howard of Michigan described his favorite error as being what the hobby often calls a Mickey Mouse error because it often represents a planchet that has been double struck with both strikes off center. He illustrates it with one from his collection on a Lincoln cent. A Mickey Mouse Error can also be a triple strike with the first strike centered and the following two strikes off center in positions to make it look like Mickey.

CONECA YN, Benjamin Simpson wrote about a No Date-D Kennedy Half dollar that was struck on a silver dime planchet. He was able to determine that is was a 1964-D Half dollar by the fact that the Denver Mintmark was located on the reverse – the only date on which the Mintmark can be found on the reverse for the entire series. The coin also features an interesting strike-through something (scrap?) error on the obverse making it a Multiple Error.

CONECA YN, Hunter Hicks, penned a story about the 2008 Abigail and Louisa Adams Mule medal that can be found in the bronze Presidential Sets sold by the United States Mint. He states that “Mules consist of two sides of a coin not originally intended to be together. This concept was first popularized in 2000 when a mule between a 2000 Sacagawea dollar and a 1999 Washington quarter was discovered. This was the first noted mule in the mint’s U.S. Mint’s over 200 year history, yet less than ten years later, another mule came up.” He details the history of the error’s discovery and why he feels it is underrated.

Denny Polly wrote two lengthy articles replete with lots of photos, one on coins struck on Split Planchets and another on some of the coins in his collection of Franklin half dollars. Shown here is his 1959-D Jefferson struck on a planchet that split horizontally before it was struck and a 1963 Franklin Struck On Holed Defective Planchet from his second article. These internal planchet defects are sometimes called “Blow Holes” – a term borrowed from the welding trade.

Joe Cronin wrote contributed a detailed 4-1/2 page article entitled “Nothing to See Here” A Collection of Some Rare Blanks and Planchets” He illustrates and describes in depth, blanks and planchets from half cents through some Eisenhower dollar blanks/planchets and many in between such as Copper-Nickel Flying Eagle/Indian Head cent and Two-cent blanks and planchets plus some experimental planchets. It was his first article in E/S and extremely well written and filled with rarities. He begins his article by explaining the difference between a blank and planchet illustrating it with both to show the differences. The pair is shown here.

Famed CONECA Member and Morgan and Peace Dollar expert Leroy Van Allen submitted and extremely detailed account of the 1879 O VAM 4 O/O/O Horizontal Morgan dollar illustrated with no less than eight images of stages in his three page article on the subject! Anything you ever wanted to know about this variety is here!

Ron Brown asks “Are Two 8’s Better Than One?”, the title if his submission where he goes on to describe how the “Dropped Numeral” error type occurs. He shows his 1985 Lincoln cent displaying a “Dropped 8” from the date where the clogged digit of the 8 fell out of the cavity of the die and got struck into the coin near the rim. His was the cover coin for that issue.

Isaiah Hageman wrote about Double Denomination coins describing how one denomination stuck can find its way back to a press and get struck again by the dies of yet another denomination. He illustrates his piece with a 1984 Lincoln cent struck on a flipped over struck dime.

Anybody wanting to join CONECA should contact Maria Rickert – Kittell at P.O. Box 233, Armada, MI 48005 or email maria@conecaonline.org

A copy of the application form may be download at http://conecaonline.org/content/join.html. Annual dues are as follows: Adult Member $25.00 per year, Young Numismatist (online Errorscope only) $7.50 per year or (online Errorscope plus mailed hard copy) $17.50.

CONECA members wishing to receive a login username and password to access the Errorscope Online Members Only area, please email the Membership Coordinator, Maria Rickert – Kittell at the address listed above. A valid email address on file with CONECA is required for access to current and back issues of the Errorscope online.

Back to Top