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<p>[QUOTE="Jaelus, post: 2301949, member: 46237"]I understand the point of your example, but it would also be details only and cannot be assigned a grade. The Sheldon scale itself is limited by being inconsistent. 1-60 describe the level of wear, but 61-70 describe the level of non-wear condition. Inherently this is the problem. The scale is not a continuum, but a scale on top of another. Due to this, you will have some coins on the top of the first scale and the bottom of the second that could go on either scale.</p><p><br /></p><p>I think we would do better with something like this: AU55, AU/MS58, AU/MS60, AU/MS61, AU/MS62, AU/MS63, AU/MS64, MS65, etc.</p><p><br /></p><p>This way you can describe whether the coin is AU or MS accurately, but then also assign a grade based on the <i>overall</i> state of preservation where the scales overlap, taking into account all other condition factors. It would be clear that an MS62 and an AU62 are be equivalently well preserved, while also making a distinction for wear. An MS62 will have no wear and perhaps very baggy surfaces while an AU62 will have a touch of wear but much cleaner surfaces.[/QUOTE]</p><p><br /></p>
[QUOTE="Jaelus, post: 2301949, member: 46237"]I understand the point of your example, but it would also be details only and cannot be assigned a grade. The Sheldon scale itself is limited by being inconsistent. 1-60 describe the level of wear, but 61-70 describe the level of non-wear condition. Inherently this is the problem. The scale is not a continuum, but a scale on top of another. Due to this, you will have some coins on the top of the first scale and the bottom of the second that could go on either scale. I think we would do better with something like this: AU55, AU/MS58, AU/MS60, AU/MS61, AU/MS62, AU/MS63, AU/MS64, MS65, etc. This way you can describe whether the coin is AU or MS accurately, but then also assign a grade based on the [I]overall[/I] state of preservation where the scales overlap, taking into account all other condition factors. It would be clear that an MS62 and an AU62 are be equivalently well preserved, while also making a distinction for wear. An MS62 will have no wear and perhaps very baggy surfaces while an AU62 will have a touch of wear but much cleaner surfaces.[/QUOTE]
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