2005 Zinc Penny, Strike Through Or Partial Clip?

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Author	Replies: 5 / Views: 1,369
denny7000 Pillar of the Community Canada 1018 Posts	Posted 12/17/2017 11:12 pm Not quite sure on this penny, is it a strike through or partial clip, reverse is normal. What do you think? Report this Post to the Staff

SPP-Ottawa Moderator Canada 10460 Posts	Posted 12/17/2017 11:53 pm Strike-though error. If it was an incomplete clip, then both sides would have matching arcs... "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US My eBay store Report this Post to the Staff
denny7000 Pillar of the Community Canada 1018 Posts	Posted 12/17/2017 11:58 pm That makes sense, thank you for the info, strike through it is. Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 12/18/2017 12:28 am Not a partial clip. The curvature of the strike through is sharper than the curvature of the edge of the coin. The center of the strike through line can be found by drawing two chords then perpendicularly bisecting them. The intersection of the perpendicular bisectors will give you the center of the strike through curve. Basic high school geometry. I learned this when I was 14. Math at this level compulsory for all kids, at the high school I attended. Measure the radius the curve from the intersection point and compare with the radius of the coin. Radius of the cent is 9.55mm. The strike through curve is much sharper, which proves it cannot be be a partial clip. There is an easier way to prove it, but I will leave that to others to figure it out. Report this Post to the Staff
denny7000 Pillar of the Community Canada 1018 Posts	Posted 12/18/2017 12:44 am Long ago I was pretty good at math in high school, but I simply held another 2005 against the curve and it was close. Because it didn't impact the rim I was leaning towards strike through. I also knew I had all the knowledge of the collectors on CCF to rely on. Report this Post to the Staff
moxking Rest in Peace United States 17900 Posts	Posted 12/18/2017 07:33 am You just can't argue when Sel brings out the math. Report this Post to the Staff
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