There was once an introduction that during the most difficult period of this female president’s life, she relied on reading Feng Youlan’s “History of Chinese Philosophy”.

Therefore, this authentic work may be the manuscript of Feng Youlan's "History of Chinese Philosophy"

Note: Judging from the photo, it should be calligraphy and painting calligraphy

Found it online.

In the difficult years of her life, Park Geun-hye loved Mr. Feng Youlan's "History of Chinese Philosophy". At the end of the speech, Chen Lai, a student of Mr. Feng Youlan and dean of the Institute of Chinese Studies at Tsinghua University, presented Park Geun-hye with a piece of calligraphy, which was the Tang poetry calligraphy inscribed by Mr. Feng Youlan, "A heart of ice is in a jade pot".