Image credits
- Peace dollar: contributor-supplied photograph.
- 1909-S VDB Lincoln cent, obverse and reverse. Photo by Bobby131313, image courtesy of CCF Numismatics, via Wikimedia Commons · CC BY-SA 3.0. Image unchanged.
- Photo credited to PCGS on Wikimedia Commons.
- Photo: Contactsmc, Wikimedia Commons, CC BY-SA 3.0. Image unchanged.
- Photo: Economicrealist, Wikimedia Commons, CC BY-SA 3.0.
- Photo: Economicrealist, Wikimedia Commons, CC BY-SA 3.0.
- Photo: Economicrealist, Wikimedia Commons, CC BY-SA 3.0.
- Photo: Economicrealist, Wikimedia Commons, CC BY-SA 3.0.
- National Numismatic Collection, National Museum of American History. Photograph by Jaclyn Nash. Image source.
- Grade illustrations: PCGS Grading Standards.
- 1943 bronze cent and holder: images courtesy of Heritage Auctions, published in Mint Error News; certificate 48302194.
- Morgan dollar auction photographs: Stack’s Bowers, lots 96168 and 93521, linked with each photograph.
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