Key Date Articles and Resources

Are you familiar with what a "key date" coin is? These are coins from a specific year of issue that are the hardest for collectors to obtain. You can discover the importance of key dates with this group of articles from our numismatic experts.

You'll find complete reference lists, current pricing information, and in-depth analysis of specific coins and coin series. Use these articles about key dates coins as a handy guide for your coin collection, or as a starting point to decide which coins to collect.

Most Valuable Dimes: Comprehensive List for Collectors

Published: October 30, 2023 by Joshua McMorrow-Hernandez

Quickly find out which United States dimes are the most valuable coins of their kind with this complete list of silver dimes.

Collector Resources for Understanding the Hobby of Collecting Coins

Published: May 04, 2023 by Everett Millman

Collecting coins (numismatics) is one of the oldest hobbies in history. The more that you know about it, the more fun and excitement you will get out of it!

Indian Head Penny Key Dates

Published: July 07, 2021 by Joshua McMorrow-Hernandez

Indian Head penny key dates explained with pricing information. Browse a list of key date Indian Head cents to add to your coin collection.

Lincoln Wheat Penny (1909–1958): Values & Key Dates

Published: August 18, 2020 by Joshua McMorrow-Hernandez

Find a complete list of key date Wheat pennies as well as a chart of current prices. Learn more about collecting the Lincoln cent (Wheat reverse design).