Is the collector's edition of Dream of Red Mansions of China Philatelic Co., Ltd. worth buying?

Worth it. The complete set of stamps of A Dream of Red Mansions is valuable for collection, and it is the one with the least circulation in the series of A Dream of Red Mansions. Created and designed by stamp designer Xiao Yutian. This stamp set includes three kinds of precious stamps, namely, sheetlet, mini-pane and mini-pane, with a total of 65 stamps, all issued by China Post.