Image sources

• v75-detail.webp: PCGS — original image
• tuskegee-reverse.webp: United States Mint — original image
• 2020-p-obverse.webp: United States Mint — original image
• yellowstone-reverse.webp: United States Mint — original image
• samoa-reverse.webp: United States Mint — original image
• quarter-silver-size-comparison.svg: HeriBase original vector diagram using U.S. Mint dimensions — source
• auction-8225-1.webp: David Lawrence RC auction imagery via PCGS Auction Prices, lot 8225 — auction record
• auction-8225-2.webp: David Lawrence RC auction imagery via PCGS Auction Prices, lot 8225 — auction record
• heribase-2020-p-result.webp: HeriBase app screenshot supplied by the user. Original preserved unchanged in the local archive; hosted copy converted to WebP.
• heribase-2020-p-details.webp: HeriBase app screenshot supplied by the user. Original preserved unchanged in the local archive; hosted copy converted to WebP.

Auction-8225 photographs depict the cited auction lot. Other coin images are design references; HeriBase result and details images are user-supplied app test screenshots. Publication image review pending.