Both 1635 and 1755 are eliminated. But pre 19th century artists in other areas became unknown persons excluding some artists. It misleads understanding bamboo carvings. One hundred years ambiguity shows that dating them has not enough robust base. Dating Shang-xun Several fine masterpieces have survived by liuqing or by relief.
Some critics feel more archaic.
Faces of figures look strong personalities. I think it genuine. 1797 should be reliable. This design depicts an immortal and a deer in ocean. A taoist subject in Ching dynasty.