Illus. from Letter of the Rabbit, 1943 Japan
Best I can tell, the illustrator is 竜 小山内 (1904-1946), which Google mostly translates as Ryu Osanai
link to NDL: http://kindai.ndl.go.jp/info:ndljp/pid/1168827
Japanese children's book cover found in the NDLibrary. "Katakana Otogi Banashi," 1925.
Vello Vinn, illustration for a book cover (Estonia, 1968)