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<p>[QUOTE=&quot;Spark1951, post: 8331137, member: 90692&quot;]My opinion only, not split-plate doubling.&nbsp; At normal thickness of 8 microns, striking pressures will tear or stretch the plating revealing the zinc beneath.&nbsp; This coin appears to have a thicker plating, and the striking pressure created a doubling effect without any tearing.&nbsp; I don’t see any zinc showing anywhere like you would see on split-plate doubling, therefore I relegate this to a plating issue.</p><p><br /></p><p>On the reverse there is a long, extra line below the base of the Memorial.&nbsp; This is also, imo, extra copper plating where a doubling effect has been produced.</p><p><br /></p><p>I’ve seen and worked with thousands of Zincolns where the plating has split but I don’t see any here.[/QUOTE]</p><p><br /></p>

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