$2 - 1997 Flawed Planchett Or PMD? - Coin Community Forum

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Author	Replies: 11 / Views: 1,769
purelywasted Pillar of the Community Canada 1505 Posts	Posted 03/04/2013 6:59 pm Just picked this up for FV, not sure what would have caused this, coin looks MS despite what some of shading may show. Report this Post to the Staff

silverwolf Pillar of the Community Canada 3733 Posts	Posted 03/04/2013 7:25 pm PMD, imo.. Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 03/04/2013 8:19 pm Would be very unusual to get a raised lump in the surface of the die to cause a dent in the coin. Has to be impact damage to the coin. Report this Post to the Staff
purelywasted Pillar of the Community Canada 1505 Posts	Posted 03/04/2013 9:23 pm That is why I was thinking a flawed planchett, as there is no corresponding bump on the other side for the displaced material and the gash relatively deep. Maybe it was chipped out, but that would seem to be difficult to do in practice. Report this Post to the Staff
1188howest Valued Member Canada 470 Posts	Posted 03/04/2013 9:36 pm There may have been at one time a piece of copper or zinc that dislodged due to an environment change.(hot or cold temps.) Report this Post to the Staff
t_y Pillar of the Community Canada 632 Posts	Posted 03/04/2013 11:49 pm For sure it is not a die issue. It may be a lamination, since I can't see any tooling marks on the surface of the coin, but would be sure only after looking it on hand. Report this Post to the Staff
errorone2012 Valued Member Canada 334 Posts	Posted 03/05/2013 09:26 am This is a strike through error . Report this Post to the Staff
darryldarryl Pillar of the Community Canada 2428 Posts	Posted 03/05/2013 09:51 am I was thinking the same thing! Report this Post to the Staff
purelywasted Pillar of the Community Canada 1505 Posts	Posted 03/05/2013 5:57 pm Thanks all. Any idea on what it was struck on? (more curiosity than anything) Report this Post to the Staff
errorone2012 Valued Member Canada 334 Posts	Posted 03/06/2013 08:47 am Wasn't struck on anything - was struck through something . Could have been anything such as grease/debris . Report this Post to the Staff
Nevol Formerly nancyc Australia 5385 Posts	Posted 03/13/2013 7:02 pm I'd say it was struck through some hard type debris that found it's way onto the die. life is a mystery to be lived not a problem to be solved Report this Post to the Staff
Paisa Valued Member Canada 387 Posts	Posted 03/13/2013 10:48 pm There is an example of a nickel in another post called "some possible errors" that you may want to look at. It is very similar but that one is on "5" of the nickel and makes it really interesting. I am not a metallurgist but I think one can make out whether it is a PMD or a mint related issue by looking at the texture of the metal inside the surface. Mint related issue would show the structure of the metal that would show striations etc. like in rock formations as opposed to smooth if it were a PMD. Much more pressure (possibly heat) during a mint impact than a PMD impact. Report this Post to the Staff
	Replies: 11 / Views: 1,769

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