The Royal Mail made a bit of a mistake when they used images of US troops in the Pacific a month after the D-Day landing they were meant to commemorate:
https://www.msn.com/en-gb/news/uknews/royal-mail-releases-a-stamp-commemorating-the-75th-anniversary-of-d-day-with-an-image-of-us-troops-in-the-pacific-in-a-gross-insult-to-veterans-and-those-who-didnt-make-it/ar-BBRw7Vu?ocid=spartanntp