The Ministry of Science and ICT\'s Postal Service will issue 480,000 commemorative stamps on Feb. 27 featuring two Jeju oreum, Jimi-bong and Baekyaki Oreum. The stamps show full images of the volcanic cones photographed from the air by drone. Jimi-bong, in Jeju City, is known for a horseshoe-shaped crater and views of nearby landmarks. Baekyaki Oreum, in Seogwipo, has a wide, deep circular crater and a gentle slope. The stamps will be permanent, non-denominated issues usable without extra payment for mail weighing more than 5 grams and up to 25 grams.