This image shows a vintage philatelic souvenir sheet from the State of Oman honoring fallen astronauts and cosmonauts. The sheet features portraits of Roger Chaffee, Ed White, Gus Grissom (Apollo 1), Vladimir Volkov, Georgi Dobrovolski, Vladislav Patsayev (Soyuz 11), and Yuri Gagarin. These individuals represent the early sacrifices in the race to space, including the Apollo 1 crew and the Soyuz 11 crew, who were the first and only humans to die above the Kármán Line, the recognized boundary of space. Their efforts laid the foundation for modern space exploration. This memory honors the courageous astronauts and cosmonauts who lost their lives in the pursuit of space exploration. The names mentioned are featured on the "Fallen Astronaut" memorial plaque left on the Moon by the Apollo 15 crew in 1971 40B. Air Mail postage souvenir sheet Philatelic Status. These stamps are what collectors often call "Dunes" or "Cinderella" stamps. Issued in the early 1970s, they were produced during a period of political upheaval in the region. At the time, the Sultanate of Oman (the recognized government) did not authorize these issues. Philatelic experts and organizations like the British Crown Agents historically classified "State of Oman" stamps as unofficial labels or "impostor" issues rather than legitimate postal currency. The item is preserved in a protective plastic sleeve and has several misprint on it.