Struck Through Errors

Building an Error Coin Collection

by Jon Sullivan

Collecting Planchets and Blanks

Jon Sullivan

Planchets and blanks are a fascinating area of numismatics, and all collectors can find a place in their coin collections for them, since they are the unstruck discs of metal that all coins are struck on. In this article, we will be discussing what exactly they are, how to authenticate them, and how to collect them.

What is the difference between a planchet and a blank? These are a number of terms used to describe them, which can be confusing to collectors. Here are the two types of defined, at least in general terms.

U.S. Coins on Argentina 10C Planchets

by Jon P. Sullivan

Split Planchet Jefferson Nickels

By. Jon P. Sullivan

Building An Error Type Set

by

Here is an excellent article on the subject, put out by NGC. It will describe in detail what they are, and how to detect them. http://www.ngccoin.com/news/viewarticle.aspx?IDArticle=4412&Wheel-Marks

Comprehensive Error-Variety Checklist

Compiled by Mike Diamond

This checklist is my attempt to compile a comprehensive listing of all known variety and error types, subtypes, and associated effects.