Coin Community Family of Web Sites Join Thousands of Coin, Bullion, & Money Collectors
Coin, Banknote and Medal Collectors's Online Mall Royal Estate Auctions - $1 Coin AuctionsJoin Thousands of Coin, Bullion, & Money Collectors Specializing in Modern Numismatics Royal Canadian Mint products, Canadian, Polish, American, and world coins and banknotes. 300,000 items to help build your collection! Vancouvers #1 Coin and Paper Money Dealer
Search Coin Community
CCF Social Media
CCF on Facebook! CCF on YouTube! CCF on Twitter! CCF on Pinterest!
Coin Community Time
Be a Site Supporter
Make a Coin Community donation with your PayPal balance or any major credit card!
General
Facebook Pinterest Youtube Channel Stamp Forum Coin Forum Mints Spot Prices Numismatic Search Engine Numismatic Glossary Numismatic Articles Numismatic Event Calendar Numismatic People Appraising A Coin Collection Advertise Here Contact Us
CCF Recommended
eBay Amazon MA-Shops
US Coins & Currency
US Coin Facts US Colonial Coins US Mint Sets US Proof Sets US Pattern Coins US Coin Grading US Coin History US Classic Commemorative Facts US Paper Money Facts
Australian Coins
Perth Mint NCLT Mintages Perth Mint Coin Programs Perth Mint Latest Releases
Canadian Coins
Canadian Coin Facts Canadian Coin Grading Canadian Commemoratives
eBay Coin Shopping
Search CCF Members
eBay Tools eBay Coin Search Engine eBay Coin Categories All eBay Categories eBay / CCF Member List eBay / CCF Member Sales Popular Items Error Coins US Error Coins US Cheap Coins US Hot Coins US Most Watched Coins Aussie Cheap Coins Aussie Hot Coins Aussie Most Watched Coins Canadian Cheap Coins Canadian Hot Coins Canadian Most Watched Coins Ancient Cheap Coins Ancient Hot Coins Ancient Most Watched Coins World Cheap Coins World Hot Coins World Most Watched Coins eBay Coins By Type eBay Coins By Year
Active Users
There are currently 103,196 users on this website.
Stuff for Members
Recent Forum Topics
Last 100 Active Topics Last 100 New Topics
New CCF Member Sales
For Sale: Canadian NCLT And NGC Shipwreck El Cazador 8-RealeFor Sale: 1909 -P Lincoln Wheat Cent1835 25c Removed From PCGS AU-58 HolderFor Sale: 1943 -S Steel Lincoln Wheat CentFor Sale - Silver Dimes Below MeltFor Sale Silver EaglesFor Sale: My Numismatic Book CollectionCoin Community Selling Rules - Updated June 5, 2025Coin Community Selling Questions
Username:
 Password:
Save Password
Forgot your Password?

Home Member CCF Sales Member eBay Sales New Posts Unanswered Search Tutorials FAQ Rules

This page may contain links that result in small commissions to keep this free site up and running.

Welcome Guest! Registering and/or logging in will remove the anchor (bottom) ads. It's Free!
All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins

Black Spots On Coins

To participate in the forum you must log in or register.
Author Previous TopicReplies: 2 / Views: 681Next Topic  
rooksmith
New Member
rooksmith's Avatar
United States
10 Posts
 Posted 08/05/2021  1:00 pm Show Profile   Bookmark this topic Add rooksmith to your friends list Get a Link to this Message Number of Subscribers
Here are some Junk Coins that were 'stored' in an attick in a ziplock with some silica dessicants. The Black spots are some sort of carbon or oxide. There were lots of Zinc/copper Manganese pennies with spots. But what I was curious about is the spots on Clads.

Whats up with that?
Black-Spots-On-Coins
halfamind
Pillar of the Community
United States
1506 Posts
 Posted 08/05/2021  4:00 pm  Show Profile   Bookmark this reply Add halfamind to your friends list Get a Link to this Reply
Copper is copper, whether plating, cupronickel clad, or a 95% alloy. Once the copper "catches the disease" (of oxidation, etc.), it can spread and affect Zincolns, Lincolns, and clads alike.

Probably all "spenders" now, unfortunately.
Edited by halfamind
08/05/2021 6:56 pm
Report this Post to the Staff  Go to Top of Page
Cujohn
Pillar of the Community
Learn More...
Cujohn's Avatar
United States
7174 Posts
 Posted 08/05/2021  6:57 pm  Show Profile   Bookmark this reply Add Cujohn to your friends list Get a Link to this Reply
Report this Post to the Staff  Go to Top of Page
  Previous TopicReplies: 2 / Views: 681Next Topic  

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! eBay Coin DealsShop CCF Members on eBay!Shop for APMEX Bullion on eBay!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 © 2005 - 2026 Coin Community Forums
It took 0.17 seconds to rattle this change. Forums