Coin Errors and Varieties
Errors can be difficult to determine, and often when a coin is referred to as an error, it turns out to be coin wear and tear, or something manually created to appear as an error. Consult an expert before deciding a coin is an error. There are many coins sold on-line by non-dealers as errors, when they are not. Be careful if purchasing an errors on-line, unless it's certified by a credible coin certification services company.
Canadian coins contain many errors and varieties. Sometimes, it increases the value of the coin with one of the type below. These errors and varieties are caused by several factors during the production process. Through images and descriptions, the link at the top of this page, allows you to identify and classify several types of errors and varieties.
Coins Canada lists these errors and varieties for Canadian coins:
Retained Broken Die
Spacing of Numbers
Shapes of Numbers
Die Damage by Hub
Struck through Grease
Double Struck (obverse on reverse)
Double Struck (reverse on obverse)
U.S. Coin Errors include:
Double and Triple Struck
Coins Struck on Feeder Finger Tips