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1971-D half dollars, Pics of two almost identical coins, cracks and bumps
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<p>[QUOTE="Jimski, post: 2999494, member: 77373"]I agree with [USER=91351]@352sdeer[/USER], it's die deterioration.</p><p><br /></p><p>I'm going to say that coin 1 (left photo) is from an earlier die state than 2 (right photo). On the attachments, I overlaid both coin photos:</p><p><br /></p><p>In the below picture, both coins are opaque. Coin 1 is on top, and you cannot see coin 2 under 1. You can see a crack beginning from the inner edge of O at about 2:30 on coin 1 (top).</p><p>[ATTACH=full]741774[/ATTACH]</p><p>In the below picture, Coin 1 (on top) is semi-transparent, so the image of coins 1 and 2 are merged. You can see an additional fine line (see red arrow) looking like a drawstring on a bow (i.e. bow & arrow). This line is coming from coin 2 underneath. I think coin 2 shows evidence of a retained die chip. By the time coin 2 was struck, the die crack (observed on coin 1) had progressed to a complete retained die chip, observed on coin 2.</p><p><br /></p><p>The bow part of the crack starting on coin 1 overlies the bow part of the die chip perfectly. So same die, different states of die deterioration. There is no telling how many strikes from the early to the late state.</p><p>[ATTACH=full]741775[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Jimski, post: 2999494, member: 77373"]I agree with [USER=91351]@352sdeer[/USER], it's die deterioration. I'm going to say that coin 1 (left photo) is from an earlier die state than 2 (right photo). On the attachments, I overlaid both coin photos: In the below picture, both coins are opaque. Coin 1 is on top, and you cannot see coin 2 under 1. You can see a crack beginning from the inner edge of O at about 2:30 on coin 1 (top). [ATTACH=full]741774[/ATTACH] In the below picture, Coin 1 (on top) is semi-transparent, so the image of coins 1 and 2 are merged. You can see an additional fine line (see red arrow) looking like a drawstring on a bow (i.e. bow & arrow). This line is coming from coin 2 underneath. I think coin 2 shows evidence of a retained die chip. By the time coin 2 was struck, the die crack (observed on coin 1) had progressed to a complete retained die chip, observed on coin 2. The bow part of the crack starting on coin 1 overlies the bow part of the die chip perfectly. So same die, different states of die deterioration. There is no telling how many strikes from the early to the late state. [ATTACH=full]741775[/ATTACH][/QUOTE]
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1971-D half dollars, Pics of two almost identical coins, cracks and bumps
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