The wording means Eastern Correspondence. The stamps are listed in SG under Russian Post Offices in Turkish Empire. The left stamp is SG33 (1879) and the right stamp is SG17a (1868) in SG SOTW.
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