How temporary, years? As long as the container is clean and coins are free from verdigris and bronze disease, placing in a sealed container in a climate controlled room would be fine. A dessicant pack may be helpful if you live in a humid climate. If these coins are wrapped or in another form of storage that may also be fine, even the way they are. Copper is an easy metal to protect as long as humidity and poor air is controlled.
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