Jose Gonsales is a numismatic researcher and independent author specializing in U.S. coinage and minting errors. He is recognized as an authority in the niche of modern error identification, providing detailed visual references and valuation strategies for hobbyists. Through works like The Up to Date Complete U.S. Error Coin Guide 2025, he assists collectors in navigating the complexities of variety hunting, grading standards, and market trends for rare minting mistakes found in circulation.