How many sets of ancient calligraphy stamps have been issued in China in recent years?

Since 2003, China has issued four sets of ancient calligraphy stamps. Seal script issued in 2003 and official script issued in 2004, while regular script and running script were issued in 2007 and 20 10 respectively. Today's "cursive" stamps are the last set of "China Ancient Calligraphy" stamps. Among them, the original drawings of two stamps, The First Moon Post by Wang Xizhi, an outstanding calligrapher in the Eastern Jin Dynasty, and Four Ancient Poems by Zhang Xu, a calligrapher in the Tang Dynasty, are now in the Liaoning Provincial Museum. "This set of" cursive "stamps is the last set of" China Ancient Calligraphy "series stamps issued after official script, regular script, seal script and running script, and will not be issued in the future.