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Anyone Know of A copper Zinc Alloy 1974S
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<p>[QUOTE="desertgem, post: 1926173, member: 15199"]The T --> Y could be the effect of a hit, but notice that the arms are higher than the arms of the "Y" following. So they are probably from a worn die or die damage aided by some corrosion on the area. If you have a strong enough magnifier you will probably see the damage. Also notice on the reverse how the word "CENT" has also been affected by damage similar to that of a coin dropped on concrete or rough surface and 'ground' down a little. None of these would count as a variety or error, just damage from what I can see. Yes, that page and the next indicate that the weights or specific gravity would distinguish any variation. Also , even though there is one verified 1974-D aluminum cent, it is the only experiment that was not made only at the Philadelphia mint. There is no record, and really no reason why test planchets would be sent to -D or S mints ( although obviously one did) Any of the tests with steel would be attracted to a magnet, the aluminum cent by weight ( much less than the bronze) , and the different proportions of copper/zinc would have a different sp. gr. and weight also. Hang on to it, and someday when it really bugs you, you can reconsider.[/QUOTE]</p><p><br /></p>
[QUOTE="desertgem, post: 1926173, member: 15199"]The T --> Y could be the effect of a hit, but notice that the arms are higher than the arms of the "Y" following. So they are probably from a worn die or die damage aided by some corrosion on the area. If you have a strong enough magnifier you will probably see the damage. Also notice on the reverse how the word "CENT" has also been affected by damage similar to that of a coin dropped on concrete or rough surface and 'ground' down a little. None of these would count as a variety or error, just damage from what I can see. Yes, that page and the next indicate that the weights or specific gravity would distinguish any variation. Also , even though there is one verified 1974-D aluminum cent, it is the only experiment that was not made only at the Philadelphia mint. There is no record, and really no reason why test planchets would be sent to -D or S mints ( although obviously one did) Any of the tests with steel would be attracted to a magnet, the aluminum cent by weight ( much less than the bronze) , and the different proportions of copper/zinc would have a different sp. gr. and weight also. Hang on to it, and someday when it really bugs you, you can reconsider.[/QUOTE]
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