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Color accuracy in NGC Photos

airplanenutairplanenut Posts: 22,132 ✭✭✭✭✭
edited September 27, 2024 9:41AM in World & Ancient Coins Forum

I have almost no experience seeing coins that have been photographed by NGC in-hand. After seeing Heritage using some of their photos, I'm not sure how to interpret the photos and was hoping some folks here may be able to provide some insight. I chose a few owl tetradrachms because the vast majority of the examples I've seen in hand have bright, near-white surfaces, similar to what Heritage's slab photos (which look a bit overexposed, but that's an aside) show. In the NGC photos, however, the coins have darker color that seems indicative of a matte patina. Until I can compare some in-hand for myself, any thoughts as to which photo likely represents the appearance of the coin's surfaces better?

https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-23mm-1718-gm-1h-ngc-au-5-5-4-5/a/232439-64040.s


https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-23mm-1721-gm-1h-ngc-choice-xf-5-5-4-5/a/232439-64043.s


https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-393-294-bc-ar-tetradrachm-23mm-8h-ngc-choice-vf/a/232439-64050.s


And some do look bright in both, but this seems particularly bright for the NGC photos based on the sampling I've seen...

https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1718-gm-1h-ngc-choice-au-5-5-3-5/a/232439-64038.s?ic4=ListView-ShortDescription-071515


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