First Day Cover [FDC] "National Treasure Series" 7 sets ⚪︎ National Treasure Series No. 1 x 1 ⚪︎ National Treasure Series No. 2 x 2 ⚪︎ National Treasure Series No. 3 x 2 ⚪︎ National Treasure Series No. 5 x 2 There is aging, discoloration, and creases. Please check the photos. All the instruction manuals are inside the envelopes. I am also selling many other first day covers, so I will consider a discount for combined purchases. Please comment if interested. Only those who understand that these are used items and have been stored at home, please purchase. m(_ _)m