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Coin Q&A

Coin Clinic: How Can I Determine the Value of an Error Coin?

By Richard GiedroycMar 2, 2020
Archive

Letters to the Editor: January 21, 2020

By Numismatic News StaffDec 28, 2019
Buzz0107
Blogs

Rare Reagan plain edge dollar error in sale

By Dave HarperJan 7, 2019
Potter1218-1
News

Doubled-die cents found by newcomer

By Ken PotterNov 30, 2018
ClassOf63 1204
News

French speakers have found me

By Dave HarperNov 17, 2018
DoubledDie1127
News

Doubled-die found on the sidewalk

By Numismatic News StaffNov 9, 2018
Blogs

Wire rim dime error attracts attention

By Dave HarperNov 6, 2018
HighWireRimDime1106
News

High Wire Rim dime found in set

By Dave HarperOct 19, 2018
CelticGold horiz
World Coins

Celtic gold in November sale

By World Coin News StaffOct 16, 2018
DimeError
Blogs

Dime error found in silver reverse proof set

By Dave HarperOct 16, 2018
ShishKebab1030-1
Reader Viewpoint

‘Shish-Kebab’ error discovered

By Numismatic News StaffOct 13, 2018
EdgeError1030 vert
News

Do you have a $10,000 edge error?

By Ken PotterOct 12, 2018
The stronger and more obvious of the two Homestead quarter double dies.
News

New doubled die quarter discovered

By Ken PotterApr 23, 2015
strike it riche
News

'Strike it Rich' Spurs Rare Cent Find

By Debbie BradleyJun 18, 2012
potter170
News

Book spurs rare cent find

By Ken PotterMay 11, 2012
error170
News

Plain edge dollar theft from Philly Mint

By NMNSep 16, 2011
error coin
News

Black-eyed Grant

By Ken PotterJun 6, 2011