This page serves as a key resource for collectors, focusing on the popular category of the proof set. It acts as a central hub for articles and guides that explain what a proof set is, how the U.S. Mint produces these high-quality collector coins, and how to determine the value of both modern and classic sets.

By providing detailed information on these widely collected items, American Rarities demonstrates its comprehensive knowledge of the modern numismatic market. This strategy builds trust with a large segment of the collecting community, positioning the company as an expert and reliable partner for the appraisal and sale of these popular sets.