【Rare】 First Day Covers 1974 Showa 49 National Sports Festival Commemorative Stamps Collection First Day Cover Collection Commemorative Stamps Stamps 59 pieces File New Unused Stored items. "First Day Cover" refers to envelopes with new stamps affixed and postmarked on the first day of their issue. In English, it's called "First Day Cover" (FDC), and is also abbreviated as "FDC." The envelopes often contain an explanatory leaflet about the stamps. I will sell this item to those who understand that it is a new, unused item stored at home. Thank you. Stamps Commemorative Stamps First Day Cover Showa Era Rare Special Stamps FDC FDI Used Stamps 1974 Showa 49 National Sports Festival Commemorative #Stamps #CommemorativeStamps #SpecialStamps #1974 #Showa49 #NationalSportsFestivalCommemorative #NationalSportsFestival #FirstDayCover #FDC #FDI #UsedStamps #Used_Stamps #ShowaRetro #Antique #Vintage #New #Unused #StoredItems Type...First Day Cover