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<p>[QUOTE="Lehigh96, post: 24697199, member: 15309"]I am going to be broaching the subject of PVC Contamination in an upcoming thread, so this question will serve as a good preamble. PVC contamination is usually a vivid emerald green color and even advanced PVC contamination can be removed with an extended acetone bath. Please look at the 1942-P Jefferson Nickel taken from a Harco album shown below; there are before and after photos of the acetone bath.</p><p><br /></p><p>Before Acetone bath:</p><p><img src="https://i.imgur.com/5RKzenK.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>After Acetone bath:</p><p><img src="https://i.imgur.com/kYYdLlt.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Now I can't definitively say that the spots on your Washington aren't PVC, but if the acetone bath doesn't remove them, then both the appearance and reaction become inconsistent with known PVC contamination.[/QUOTE]</p><p><br /></p>
[QUOTE="Lehigh96, post: 24697199, member: 15309"]I am going to be broaching the subject of PVC Contamination in an upcoming thread, so this question will serve as a good preamble. PVC contamination is usually a vivid emerald green color and even advanced PVC contamination can be removed with an extended acetone bath. Please look at the 1942-P Jefferson Nickel taken from a Harco album shown below; there are before and after photos of the acetone bath. Before Acetone bath: [IMG]https://i.imgur.com/5RKzenK.jpg[/IMG] After Acetone bath: [IMG]https://i.imgur.com/kYYdLlt.jpg[/IMG] Now I can't definitively say that the spots on your Washington aren't PVC, but if the acetone bath doesn't remove them, then both the appearance and reaction become inconsistent with known PVC contamination.[/QUOTE]
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