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<p>[QUOTE=&quot;Seattlite86, post: 3262936, member: 59737&quot;]So I have a coin that is assuredly damaged from something, but I realized that I don’t have the best knowledge on differentiating acid damage and through grease strikes.</p><p><br /></p><p>My assumptions are that grease would not leave layers or shelves, but instead a sort of smooth depression that increases towards the center of the grease pool.</p><p><br /></p><p>Also, I assume that the coin struck through grease would not have significant color changes whereas acid would change the surface color where it interacted.</p><p><br /></p><p>Lastly, the reverse of a through grease should be more sharp/detailed compared to a regular strike.</p><p><br /></p><p>What are some other indicators between the two?</p><p><br /></p><p>[ATTACH=full]858682[/ATTACH] [ATTACH=full]858683[/ATTACH] [ATTACH=full]858684[/ATTACH] [ATTACH=full]858685[/ATTACH] [ATTACH=full]858686[/ATTACH] [ATTACH=full]858687[/ATTACH] [ATTACH=full]858688[/ATTACH][/QUOTE]</p><p><br /></p>

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