It narrates the life of Mai An Tiêm, a culture hero living in the Hùng king's era and his discovery of watermelons for the Vietnamese people.
Thanks to his virtuous appearance and intelligence, the king renamed him to Mai Yển, or An Tiêm, and granted him a wife, with whom he gave birth to a son and a daughter.
The king banished his family to the estuary of Nga Sơn District, a remote uninhabited place surrounded only by sea and sand.
He saw a white eared pheasant flew from the West and landed on a mountain, dropping some seeds in the sand, which grew into fruitful trees.
More recent variants of the story have Mai An Tiêm exiled to a desert island, where he carved his name onto the watermelons and threw them into the sea to be picked up by fishermen.
'The Red Melon') by Nguyễn Trọng Thuật and published Nam Phong Magazine in 1925, which was one of the first modern Vietnamese novels.
The stamp set is designed by artist Tô Minh Trang, with professor Đoàn Thị Tình and the Institute of History as advisors.
[14] The main interpretation of the tale is that it upholds the value of hard work and labor, as well as the indomitable will and resourcefulness of local people.