This unopened (therefore unused) set of six cards is not ordinary.  Hua Hua herself is a celebrity (from Wikipedia:  “He Hua (和花; born July 4, 2020), most commonly known as Hua Hua (花花) is a female giant panda residing at the Chengdu Research Base of Giant Panda Breeding in Chengdu, Sichuan.  She is considered one of China’s ‘celebrity pandas’, with her gaining popularity online due to her distinct appearance and gentle personality,”) and this “Giant Panda Series Flower and Fruit Postcard Set” shows her, well, basically posing.  Fully attributed and with the original price sticker on the back cover.  Grade: 1