First Day Cover commemorating the 100th anniversary of the Nobel Prize, issued in Guyana in 1995. Kenichi Fukui: 1981 Nobel Prize in Chemistry laureate, co-recipient R. Hoffmann A First Day Cover (FDC) 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. Those who are extremely concerned about the condition should refrain from purchasing. It will be sent via standard mail. Waterproof and crease-prevention measures will be taken for shipping. For anonymous & tracked shipping (Mercari delivery), an additional 150 yen will be charged 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: 6461