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What would cause these lines on a 1880-S PL Morgan?
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<p>[QUOTE="SuperDave, post: 2529774, member: 1892"]Insufficient information in these two images to make more than a wild guess as to grade, and not at all regarding reflectivity. Yes, when images with <b>one technique</b>, a deeply reflective coin will look like this. However, a nice lustrous (non-reflective) coin won't look much different when imaged in the same fashion. </p><p><br /></p><p>This coin was images with two raw lights at 10:00 and 2:00 (roughly) - the appropriate place to locate two-light sets - but the photographer used lights of two different color temperatures. See how the two "bright" axes on the reverse are two different colors? One bluish, one yellowish, and that proves both two different lighting color temps, and poor White Balance correction (neither light color was corrected, not that I blame the camera for failing). And without diffusion, the areas away from those two bright axes are literally in the dark, not registering sufficiently on the camera sensor to communicate any detail. You literally cannot tell what the deepest recesses of those areas - call it from 8:00-2:00 and 11:00-5:00 - are hiding for marks, because the camera sensor likely didn't "see" them in enough detail to record data.</p><p><br /></p><p>I'm being pessimistic, it's probably a beautiful coin, but half of buying coins from images is <i>knowing how to evaluate the images themselves</i>. And it's very, very difficult to learn both evaluating coins and evaluating images at the same time. The evidence is often contradictory.[/QUOTE]</p><p><br /></p>
[QUOTE="SuperDave, post: 2529774, member: 1892"]Insufficient information in these two images to make more than a wild guess as to grade, and not at all regarding reflectivity. Yes, when images with [B]one technique[/B], a deeply reflective coin will look like this. However, a nice lustrous (non-reflective) coin won't look much different when imaged in the same fashion. This coin was images with two raw lights at 10:00 and 2:00 (roughly) - the appropriate place to locate two-light sets - but the photographer used lights of two different color temperatures. See how the two "bright" axes on the reverse are two different colors? One bluish, one yellowish, and that proves both two different lighting color temps, and poor White Balance correction (neither light color was corrected, not that I blame the camera for failing). And without diffusion, the areas away from those two bright axes are literally in the dark, not registering sufficiently on the camera sensor to communicate any detail. You literally cannot tell what the deepest recesses of those areas - call it from 8:00-2:00 and 11:00-5:00 - are hiding for marks, because the camera sensor likely didn't "see" them in enough detail to record data. I'm being pessimistic, it's probably a beautiful coin, but half of buying coins from images is [I]knowing how to evaluate the images themselves[/I]. And it's very, very difficult to learn both evaluating coins and evaluating images at the same time. The evidence is often contradictory.[/QUOTE]
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What would cause these lines on a 1880-S PL Morgan?
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