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Split planchet, overlapping planchet, and Newton's 3rd law
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<p>[QUOTE="SPP Ottawa, post: 8077446, member: 39508"]This is a fun one for the error folks to think through. This is a Canadian 1c error.</p><p><br /></p><p>First, we start with a split planchet (1.41 grams), you can see the striations on the reverse. Second, indented by another planchet, about 10% off-centre.</p><p><br /></p><p>All the product of a single strike. Equal and opposite pressures create the effects you see here. Oh, and lastly, enough of the obverse is shown to decipher it as a modified portrait, dating this error between 1979 and 1981.</p><p><br /></p><p>[ATTACH=full]1402115[/ATTACH]</p><p>[ATTACH=full]1402114[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="SPP Ottawa, post: 8077446, member: 39508"]This is a fun one for the error folks to think through. This is a Canadian 1c error. First, we start with a split planchet (1.41 grams), you can see the striations on the reverse. Second, indented by another planchet, about 10% off-centre. All the product of a single strike. Equal and opposite pressures create the effects you see here. Oh, and lastly, enough of the obverse is shown to decipher it as a modified portrait, dating this error between 1979 and 1981. [ATTACH=full]1402115[/ATTACH] [ATTACH=full]1402114[/ATTACH][/QUOTE]
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Split planchet, overlapping planchet, and Newton's 3rd law
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