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<p>[QUOTE=&quot;Insider, post: 2504199, member: 24314&quot;]True enough and to the best of my knowledge &quot;shipwreck effect&quot; was &quot;coined&#039; at NGC/NCS to label the salvaged&nbsp; to coins for the reason above. In the 1970&#039;s it was called &quot;sea-water <span style="color: #b300b3">damage</span>.&quot;<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie57" alt=":jawdrop:" unselectable="on" unselectable="on" /></p><p><br /></p><p>In the same way, &quot;environmental damage&quot; became a TPGS word for corroded coins too.&nbsp; Sea water, salt water, environmental,<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie103" alt=":yack:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie103" alt=":yack:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie103" alt=":yack:" unselectable="on" unselectable="on" /> is all a form of corrosion.&nbsp; The effects of corrosion on a coin can occur in degrees.&nbsp;&nbsp; Even &quot;flyspecks&quot; (a term used for tiny dark surface damage on nickels) ar a lesser form of corrosion.[/QUOTE]</p><p><br /></p>

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