Opinion: That is not a watermark, it is possibly the mark of a postal clerk on an envelope. Part of the envelope remains stuck to the stamp. Place the stamp in cold water for about 10 minutes, and it will float off, then you can see the real watermark revealed.
Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Stamp Community assumes no liability for errors. Copyright 2005 - 2026 Stamp Community Family - All rights reserved worldwide. Use of any images or content on this website without prior written permission of Stamp Community or the original lender is strictly prohibited. Privacy Policy / Terms of UseAdvertise Here