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Die cracks, Die state and grading.
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<p>[QUOTE="physics-fan3.14, post: 3723077, member: 19165"]I would say a more correct statement would be "die cracks are more likely to develop in later die states." There are plenty of examples of brand new dies with cracks, due to a flaw in the manufacturing process. </p><p><br /></p><p><br /></p><p><br /></p><p>Yes, this is usually true. The die is being worn as it strikes coins over its life. The effect is the crisp details tend to become softer. Luster quality will also change over the life of a die. Additionally, clashes may develop, or mint workers will pull a die and polish it. Excessive polishing is the cause for things like 3-legged buffalos. </p><p><br /></p><p><br /></p><p><br /></p><p>I can't make that statement definitively. </p><p><br /></p><p>As mentioned earlier, the detail of the coin may be different - but TPG's don't really punish this during grading. However, as the luster changes, certain types of luster appear more attractive and will thus earn a higher grade. Now, whether that happens at beginning of life, mid die state, or late die state? That's up to you as a grader to decide which kind of luster you prefer. When market grading a coin, the luster and eye appeal play a big role in determining the grade.[/QUOTE]</p><p><br /></p>
[QUOTE="physics-fan3.14, post: 3723077, member: 19165"]I would say a more correct statement would be "die cracks are more likely to develop in later die states." There are plenty of examples of brand new dies with cracks, due to a flaw in the manufacturing process. Yes, this is usually true. The die is being worn as it strikes coins over its life. The effect is the crisp details tend to become softer. Luster quality will also change over the life of a die. Additionally, clashes may develop, or mint workers will pull a die and polish it. Excessive polishing is the cause for things like 3-legged buffalos. I can't make that statement definitively. As mentioned earlier, the detail of the coin may be different - but TPG's don't really punish this during grading. However, as the luster changes, certain types of luster appear more attractive and will thus earn a higher grade. Now, whether that happens at beginning of life, mid die state, or late die state? That's up to you as a grader to decide which kind of luster you prefer. When market grading a coin, the luster and eye appeal play a big role in determining the grade.[/QUOTE]
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