This is a first day cover from the Maldives, issued by Japan, commemorating the 100th anniversary of the Nobel Prize and the 50th anniversary of Hideki Yukawa's meson theory. The cover commemorating the 50th anniversary of Hideki Yukawa's meson theory comes with an explanatory note. A first day cover is an envelope with a postage stamp affixed and postmarked on the first day the stamp was issued. They are popular with collectors. Please consider that this is an old item and may show signs of aging. If you are extremely concerned about the condition, please refrain from purchasing. It will be sent via standard mail. Waterproof and anti-folding measures will be taken for shipping. For anonymous & tracked shipping (Mercari shipping), it is available for an additional 150 yen on top of the product price. Please consult in advance via comments. #stamp #postal #philately #commemorative_stamp #first_day_cover #Nobel_Prize ※Bundle purchase number: 6462