The two lowest values of this engraved (South) Vietnam flowers set, designed by various Vietnamese artists, and issued on September 10, 1965 for the Mid-Autumn Festival, have been previously posted in this thread. Here are images of all five stamps in the set, along with brief descriptions, Scott Nos. 261-65, SG S241-45.
Ixora, designed by Pham Bach Phi
Orchid, designed by Luu My Tam
Chrysanthemum, designed by Nguyen Minh Hoang
Lotus, designed by Mai Dong Hai
Plum blossoms, designed by Do Duy Hien