Flowers and insects, 2 paintings on silk, China, 20th century, signed Cai Shaodu (Cai Gongheng), 40x35 cm and 37x30 cm 

Flowers and insects, 2 paintings on silk, China, 20th century, signed Cai Shaodu (Cai Gongheng), 40x35 cm and 37x30 cm 

Painting 1 (with dragonfly):
Some stains
Presence of a hole to each corner, probably to hang the painting 

Painting 2:
Some stains
Presence of a hole to each corner,  probably to hang the painting 
Some tears 
Presence of a hole to the top of the painting