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<p>[QUOTE=&quot;robinjojo, post: 6842005, member: 110226&quot;]Silver actually corrodes quite easily, not as quickly as bronze, but fast enough.</p><p><br /></p><p>If you want to see the effects of seawater corrosion on bronze or copper, a good example can be seen with this example of Swedish copper plate money, salvaged from the Nicobar wreck, 1783 in 1987.</p><p><br /></p><p>As can be seen, there is major corrosion resulting in a good portion of the plate eaten away.</p><p><br /></p><p>Still, there is a demand for plate money on the part of some collectors.&nbsp; This example is priced at $2,600.</p><p><br /></p><p>[ATTACH=full]1272492[/ATTACH] </p><p><br /></p><p>As with many situations involving sea salvaged coins, the condition of the coin depends on factors that either increase exposure to salt water, or reduce exposure, such as being in the middle of a pile of coins or quickly buried in muck that has little oxygen.[/QUOTE]</p><p><br /></p>

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