Families out sailing on the deep blue sea. British. Charles Pears, artist (1873-1958). Did a great many posters and illustration work along with painting.

"Gibraltar." Painted for the Empire Marketing Board. ca. 1930.
“Gibraltar.” Painted for the Empire Marketing Board. ca. 1930. Collection of the National Archives, London. Cc0 License. via https://en.wikipedia.org/wiki/Charles_Pears#/media/File:Gibraltar_(1).jpg
"Bombay." Painted for the Empire Marketing Board. ca. 1928.
“Bombay.” Painted for the Empire Marketing Board. ca. 1928. Offset colored lithograph. Printed by Suttley & Silverlock Ltd., London. Image © CHRISTIE’S 2019. Fair use license. via https://www.christies.com/lotfinder/Lot/charles-pears-1873-1958-bombay-the-empire-5791476-details.aspx