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<p>[QUOTE=&quot;Silverlock, post: 3203814, member: 98181&quot;]I’m far from an expert, but based on my understanding of “crystallization”, the process involves erosion of a metal or metal that has migrated and accumulated on the edges of the crystal lattice. If that understanding is correct, then there shouldn’t be a preferred orientation to the “crystallization”. The features on both coins appear strongly oriented, so I’m not yet convinced what we are seeing is “crystallization”. Flow lines from casting, perhaps?[/QUOTE]</p><p><br /></p>

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