This page serves as a key resource for collectors, focusing on the dramatic and valuable mint error known as the double struck coin. It acts as a central hub for articles and guides that explain how this error occurs when a coin is struck more than once by the dies, how to identify it, and why it is so sought-after in the numismatic community.
By providing clear, educational content on this exciting type of error, American Rarities positions itself as a knowledgeable and trustworthy authority. This strategy attracts collectors who believe they may have found a major error, encouraging them to seek a professional appraisal from an expert source to confirm their valuable find.
Is your coin “double stamped”? Learn the difference between a true doubled die, which can be valuable, and mechanical doubling, which is common and adds little or no value.
A case study of an 1802 Bust half dollar that raised the question “real or fake?” and what to check before you trust an early U.S. coin.
A guide to error coins and die varieties: what they are, how they happen and how to recognize the ones collectors value.