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Morgan 1891 - notoriously weak strike?
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<p>[QUOTE="physics-fan3.14, post: 3654180, member: 19165"]Are you saying that the letters in the legend here are worn down, and not from a weak strike? This is really difficult to believe - the letters are protected in between the wing and the rims. To have that much wear on the letters, we'd be looking at an F-12 coin - and the rims would be nearly worn away. No, this is absolutely do to a weakly hubbed die. </p><p><br /></p><p><br /></p><p><br /></p><p>Think about it like this - the high points on a coin are the low points in a die. If the coin isn't fully struck, the high points on the coin won't be fully realized. This is why details like the bell lines on the Franklin are important - they are among the high points, and thus won't be fully detailed on a weak strike. </p><p><br /></p><p>However, when a die is being hubbed, the exact opposite is true. The die is the inverse of the hub. So, if a die isn't hubbed properly, you'll see low point details missing (such as the letters or stars around the edges) won't be fully created. This is absolutely not due to wear on the coin (the level of wear on the rest of the coin just doesn't support this theory).[/QUOTE]</p><p><br /></p>
[QUOTE="physics-fan3.14, post: 3654180, member: 19165"]Are you saying that the letters in the legend here are worn down, and not from a weak strike? This is really difficult to believe - the letters are protected in between the wing and the rims. To have that much wear on the letters, we'd be looking at an F-12 coin - and the rims would be nearly worn away. No, this is absolutely do to a weakly hubbed die. Think about it like this - the high points on a coin are the low points in a die. If the coin isn't fully struck, the high points on the coin won't be fully realized. This is why details like the bell lines on the Franklin are important - they are among the high points, and thus won't be fully detailed on a weak strike. However, when a die is being hubbed, the exact opposite is true. The die is the inverse of the hub. So, if a die isn't hubbed properly, you'll see low point details missing (such as the letters or stars around the edges) won't be fully created. This is absolutely not due to wear on the coin (the level of wear on the rest of the coin just doesn't support this theory).[/QUOTE]
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Morgan 1891 - notoriously weak strike?
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