Presidential Dollar Coin, James Madison Design, Artists Rendering

An understanding of rare coins is essential if you are going to buy supposedly rare coins, especially the ones in PCGS and NGC type holders. There is a big difference between a grade rarity and a mintage rarity; one might be a sucker’s bet, while the other is proven solid gold. Learn which is which and why in this article about rare coins.

Some U.S. gold coins seem to be lacking a date. Instead, they have a sequence of letters, such as MCMLXXXVI. Learn how to interpret these symbols on gold coins that seem to have no date on them.

The die variety of a coin is defined on this coin collecting terms page.

What is a reeded edge? Your Guide has the definition to this and other coin related terms in the glossary of numismatic terminology. Reeded edge is defined on this page.

What is an error coin? This coin terms page defines a mint error and explains why it differs from a die variety.

When you want to find a coin dealer, you probably shouldn’t go to the Yellow Pages first, because there are many people listed there who are really just pawn brokers, junk bullion buyers, and other non-experts. This Quick Tip page will show you exactly how to find a local, Certified coin dealer near your location.

Coin price catalogs and coin value guides, such as the Red Book, Trends, coin price magazines, etc., all have one common flaw - the prices in them are not of any value at all to a coin collector trying to appraise his own collection for sale. This article explains why.

The coin collectors club which specializes in error coins and die varieties is called CONECA. The acronym stands for Combined Organizations of Numismatic Error Collectors of America. Learn the history of CONECA, how to find its web site, and how to join the club on this web page about CONECA.

Learn what the key dates are for the Lincoln Memorial Penny series. Lincoln Memorial key date coins are given on this page.