Image credits

Photographs remain linked at their original dimensions. The 1964-D mint-mark view uses a red-box overlay; the 2005-P view uses a red-box overlay. Image pixels have not been retouched. Full provenance and licence metadata are retained in asset-manifest.json.

• walker-21273-obverse.webp — Heritage Auctions, HA.com; linked from NGC Auction Central; . Source record. None; format conversion only.
• walker-21273-reverse.webp — Heritage Auctions, HA.com; linked from NGC Auction Central; . Source record. None; format conversion only.
• walker-21274-obverse.webp — Heritage Auctions, HA.com; linked from NGC Auction Central; . Source record. None; format conversion only.
• walker-21274-reverse.webp — Heritage Auctions, HA.com; linked from NGC Auction Central; . Source record. None; format conversion only.
• heribase-1964-result.webp — Author-supplied HeriBase test screenshot; . User-supplied IMG_1238.PNG. Format conversion only; full screenshot preserved
• heribase-1964-specifications.webp — Author-supplied HeriBase test screenshot; . User-supplied IMG_1239.PNG. Format conversion only; full screenshot preserved
• barber-obverse.webp — Coin: Charles E. Barber. Image by Lost Dutchman Rare Coins; Public domain. Source record. Format conversion only; image content unchanged
• barber-reverse.webp — Coin: Charles E. Barber. Image by Lost Dutchman Rare Coins; Public domain. Source record. Format conversion only; image content unchanged
• franklin-obverse.webp — John Baumgart (Variety Slabbing Service) for the image; John R. Sinnock for the coin design.; Public domain. Source record. Format conversion only; image content unchanged
• franklin-reverse.webp — John Baumgart (Variety Slabbing Service) for the image; John R. Sinnock for the coin design.; Public domain. Source record. Format conversion only; image content unchanged
• walking-obverse.webp — Heritage Auctions (image); U.S. Mint (coin); Public domain. Source record. Format conversion only; image content unchanged
• walking-reverse.webp — Heritage Auctions (image); U.S. Mint (coin); Public domain. Source record. Format conversion only; image content unchanged
• kennedy-obverse.webp — United States Mint; Public domain. Source record. Format conversion only; image content unchanged
• kennedy-reverse.webp — United States Mint; Public domain. Source record. Format conversion only; image content unchanged
• seated-obverse.webp — Coin: Christian Gobrecht Image by Lost Dutchman Rare Coins; Public domain. Source record. Format conversion only; image content unchanged
• seated-reverse.webp — Coin: Christian Gobrecht Image by Lost Dutchman Rare Coins; Public domain. Source record. Format conversion only; image content unchanged
• bust-obverse.webp — Coin: John ReichImage by Lost Dutchman Rare Coins; Public domain. Source record. Format conversion only; image content unchanged
• bust-reverse.webp — Coin: John ReichImage by Lost Dutchman Rare Coins; Public domain. Source record. Format conversion only; image content unchanged
• columbian-obverse.webp — ; Public domain. Source record. Format conversion only; image content unchanged
• columbian-reverse.webp — ; Public domain. Source record. Format conversion only; image content unchanged
• mint-1964-d.webp — Eric Golub from Gulfport, Florida; CC BY 2.0. Source record. Format conversion only
• mint-1964-reverse.jpg — Albertomos; CC BY 4.0. Source record. Format conversion only
• enduring-obverse.webp — United States Mint; U.S. Mint publication images; retain credit and design integrity. Source record. No image content edits; format conversion only
• enduring-reverse.webp — United States Mint; U.S. Mint publication images; retain credit and design integrity. Source record. No image content edits; format conversion only