Judging by the staining on the envelope and the haphazard way the stamp is placed on the back I'd bet they were stored together in a box (or whatever), got damp and the mint stamp just tagged along. Purely a meeting of the minds
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