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<p>[QUOTE=&quot;alurid, post: 7901480, member: 81991&quot;]Laminations are usually cause by an Improperly Alloy Mix. The different types of metals do not mix/melt together due to different reasons. They do not all have the same melting temperature.&nbsp; </p><p>And then when the metal is rolled out to the correct thickness it can form layers due to the flattening and stretching of the metal. </p><p>The annealing oven can make the layers separate and peal. Some blanks with layers or stripes get made into coins. This is basically how&nbsp; Woodies and Lamination coins are produced.[/QUOTE]</p><p><br /></p>

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