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<p>[QUOTE=&quot;pasasap2, post: 1826396, member: 57975&quot;]I pulled a Large Cent out of a discount box at a coin show. It had nice details at spots, but at other spots it was covered with a thick layer of corroded green crud. I placed it in ketchup to get rid of the crud, but now the surface is extremely dull and does not reflect light well. In other words, you cannot see the details unless you place it under strong light. I probably left the ketchup on too long so it stripped the surface, but the coin is still light brown in color and does not look cleaned. Under high magnification, I can see the coin is covered by tiny holes where the green crud was embedded in the surface. I did what I did because I could not read the date or get the crud off. It was like concrete and very hard. I was actually surprised the vinegar in the ketchup dissolved it. When you put olive oil on the Large Cent, the surface shines allowing me to see the details and the date. It just so happens that the Large Cent is dated 1857, and is the small date variety in VG+ condition. So, it is a great buy and find, and something I need in my collection. So, how do I restore the glossy circulated surface, so the details show in a coin flip under normal light? This coin will not be sold, but it will go into my book.[/QUOTE]</p><p><br /></p>

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