The two stamps are different issues. The one on the left was issued in 1966 and the other one in lighter green was issued in 1972 with a slightly different design. In the later version the leaves of the hydrangea are clear of the edge of the design.
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