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<p>[QUOTE="Just Carl, post: 115372, member: 4552"]Those have been one of my favorite Lincolns to collect. I've probably got a few thousand of them. Everytime I've seen one it went into a plastic tube to be checked later for which one it is. Since there are both large and small dates, copper ( not Bronze ) and then the flimsey new Copper-Plated Zinc. The wewight is very noticable when using a balance beam scale but not to noticable with out. The colors are about the same if the wear is about the same. Some of the early Copper-Plated ones did have a bubbly finish but many, many do not and look exactly the same as the earlier, heavier versions of Copper, Tin and Zinc mixtures. Even using a senitive for chemicals type balance scale is tricky since the coins on both sides must be of equal or approximate wear. Now as for incapsulated ones that would even make the difference more of a problem. Since thier may be so slight differences in materials due to when and by whom a coin is put into a slab there may also be a weight difference. Good question. If you look at enough of those you'll eventually realize that as the dies were used the quality apparently changed on both types. So good luck. </p><p>Like I said I've got thousands of them and not easy to figure out which is which.[/QUOTE]</p><p><br /></p>
[QUOTE="Just Carl, post: 115372, member: 4552"]Those have been one of my favorite Lincolns to collect. I've probably got a few thousand of them. Everytime I've seen one it went into a plastic tube to be checked later for which one it is. Since there are both large and small dates, copper ( not Bronze ) and then the flimsey new Copper-Plated Zinc. The wewight is very noticable when using a balance beam scale but not to noticable with out. The colors are about the same if the wear is about the same. Some of the early Copper-Plated ones did have a bubbly finish but many, many do not and look exactly the same as the earlier, heavier versions of Copper, Tin and Zinc mixtures. Even using a senitive for chemicals type balance scale is tricky since the coins on both sides must be of equal or approximate wear. Now as for incapsulated ones that would even make the difference more of a problem. Since thier may be so slight differences in materials due to when and by whom a coin is put into a slab there may also be a weight difference. Good question. If you look at enough of those you'll eventually realize that as the dies were used the quality apparently changed on both types. So good luck. Like I said I've got thousands of them and not easy to figure out which is which.[/QUOTE]
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