Porosity In Penny's? - Coin Community Forum

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Author	Replies: 10 / Views: 2,759
ECS Valued Member Australia 64 Posts	Posted 01/10/2013 02:01 am Hi Guys, just wondering what causes these holes in Penny's. Cheers - Geoff Report this Post to the Staff

enworb Pillar of the Community Australia 4411 Posts	Posted 01/10/2013 03:03 am My 2 cents would be gas bubbles Report this Post to the Staff
OddCoins Valued Member Canada 271 Posts	Posted 01/10/2013 06:57 am Bullet holes? Report this Post to the Staff
enworb Pillar of the Community Australia 4411 Posts	Posted 01/10/2013 07:04 am What bullet do you know that is that small? Report this Post to the Staff
ECS Valued Member Australia 64 Posts	Posted 01/10/2013 3:38 pm I was thinking gas bubbles as well. Does this fall onto a planchet flaw category then? Report this Post to the Staff
robster Pillar of the Community Australia 674 Posts	Posted 01/10/2013 4:31 pm Royalty running amok- extreme ear piercing.! Report this Post to the Staff
OddCoins Valued Member Canada 271 Posts	Posted 01/11/2013 06:43 am I don't know any bullet that small - but a gas bubble would not make a hole on the other side. When you look at the other side of the coin, do the marks come through at all? Report this Post to the Staff
ECS Valued Member Australia 64 Posts	Posted 01/14/2013 3:41 pm just checked the other side and only the deaper hole shows a slight bump Report this Post to the Staff
erkle Pillar of the Community 1119 Posts	Posted 01/19/2013 6:12 pm http://www.generaltools.com/thumbna...x=300&maxy=0 Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 01/19/2013 8:26 pm Localised corrosion. Not verdigris. Report this Post to the Staff
The Unicorn Pillar of the Community Australia 750 Posts	Posted 01/21/2013 06:23 am I was fortunate enough to find this one late last week .... then unfortunate enough to turn it over ....... Sorry, but with erkle Report this Post to the Staff
	Replies: 10 / Views: 2,759

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