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<p>[QUOTE=&quot;iGradeMS70, post: 1703941, member: 29109&quot;]Not always. The &quot;wood grain effect&quot; produced by improper planchet alloy mixture is simply a imbalanced ratio of Copper and the base metals (that produced Bronze).</p><p><br /></p><p>Laminations, however, can occur in a variety of ways. Most typically when foreign substancess (wood is one known substance) are inadvertently rolled into the Bronze strips, soon-to-become blanks, when eventually these substances do not stay intact with the metal.[/QUOTE]</p><p><br /></p>

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