Our scan shows the cardboard cover and two of six maximum cards in this seasonal set issued by Chunghwa Post Co., Ltd.  The other four cards are of a similar motif, and we are assuming because there are four seasons and six cards in this set (officially called “Maximum Cards of Ancient Chinese Paintings from the National Palace Museum Postage Stamps – 24 Solar Terms (Autumn)”)  there are three other similar sets representing other seasons.  Anyway, here’s Autumn.   Grade: 1