If the coloration was not done by the mint where it was produced, it is considered damage to the coin and has little if any collector value by a serious collector.
As far as being "told off", forums can sometimes come off as rude. I have felt the same way before, so don't worry about it. It takes some time to get used to the MO on forums.
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