Is Yan Zhihao's calligraphy worth collecting?

Yan Zhihao's calligraphy is worth collecting. Yan Zhihao's calligraphy works are uninhibited, soft outside and rigid inside, and the composition is reasonable and natural. Yan Zhihao's calligraphy works have been exhibited in many provinces and cities, and their works have been highly praised by provincial and municipal calligraphers' associations, which has certain collection value, so Yan Zhihao's calligraphy is worth collecting.