Defective Planchet? - Coin Community Forum

To participate in the forum you must log in or register.

Author	Replies: 7 / Views: 1,114
snowman Pillar of the Community United States 1840 Posts	Posted 02/25/2007 7:47 pm My grandfather originally got me started in collecting coins. While going through some of the coins he gave me I noticed a defect on this 50 Pesos: At first I thought it was post-mint damage, but when you look closely at the coin, the damage seems almost too clean to be done after the coin was struck. Any thoughts? Report this Post to the Staff

DieVarieties New Member United States 27 Posts	Posted 02/25/2007 8:03 pm From what I'm seeing in your photos, I'm leaning towards genuine. Though the full coin images are a little too small, but I believe I am also seeing the "Blakesley" effect which is an indicator of authentic. Edited by DieVarieties 02/25/2007 8:04 pm Report this Post to the Staff
cpfull Pillar of the Community United States 603 Posts	Posted 02/25/2007 8:09 pm What is the "Blakesly" effect? I have a Lincoln Penny at home with the same type of disfigurement, I alwayes thought post mint but would like to be sure. Report this Post to the Staff
josie Valued Member Ireland 498 Posts	Posted 02/25/2007 8:18 pm yeah further info. Although found it that kind of effect is difficult to have and hard for forger to copy. And the grade is what for this coin? Report this Post to the Staff
DieVarieties New Member United States 27 Posts	Posted 02/25/2007 8:23 pm "What is the "Blakesly" effect? snowman: I hope you don't mind but I took your full obverse and reverse photos and added an arrow to point something out. cpfull: "Blakesley" effect is shallow/weak area that is located directly opposite of the primary defect (I.E. clip/defective planchet, etc.). In the full coin photos I put an arrow where I believe I am seeing that weak area directly opposite of the defect. Notice also in the full reverse photo how the denticles are weak as well. I will point out that using the "Blakesley" effect alone is not always indicative on the coin being authentic. However, in most cases it is a valuable diagnostic to help authenticating a mint error as genuine. Also not all coins, even those that are genuine clips, etc. do not always have the "Blakesley" effect. There are other things to look at on the coin that when combined with the "Blakesley" effect will help in certifying as genuine. I hope this helps. Report this Post to the Staff
snowman Pillar of the Community United States 1840 Posts	Posted 02/26/2007 8:10 pm Wow, thanks for the information. The coin does have poor detail in the areas you described. Is that due to an uneven strike caused by the defect in the planchet? Also the coin has shallow reeding on the edge where the defect is. Is that another measure of authenticity? Report this Post to the Staff
tights24 Pillar of the Community United States 2254 Posts	Posted 02/27/2007 06:57 am This was a link from another forum member in another post. I think this will explain what DieVarieties is referring to. While it's not a clip I don't think, it seems to be the same principle involved? If this is not good info, I apologize. It just seemed very close to the same "idea"... http://www.ngccoin.com/news/viewart...DArticle=312 Report this Post to the Staff
snowman Pillar of the Community United States 1840 Posts	Posted 02/27/2007 1:19 pm Great link tights24. Thanks for the help. Report this Post to the Staff
	Replies: 7 / Views: 1,114

To participate in the forum you must log in or register.

All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins

Silver Gold Bull US is the United States leading bullion dealer. We deliver gold coins, gold bars, silver coins, silver bars and precious metals to your door. Order today!

The First Dollar, your premier source for bullion and rare coins. See our bullion list on the site and the coin inventory on ebay.

View Last 100 New Topics

View Last 100 Active Topics

Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Coin Community assumes no liability for errors. Copyright 2005 - 2026 Coin Community Family- all rights reserved worldwide. Use of any images or content on this website without prior written permission of Coin Community or the original lender is strictly prohibited.
Contact Us | Advertise Here | Privacy Policy / Terms of Use

Coin Community Forum

It took 0.22 seconds to rattle this change.