United States coins in circulated wear show “grading by eye,” where rings, shine

https://www.forbes.com/sites/dougmelville/2025/04/06/new-bills-propose-trump-on-the-100-bill-and-new-250-option-but-where-is-tubmans-20/

United States coins in circulated wear show “grading by eye,” where rings, shine, and wear patterns hint at their past journeys.