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Hard to beat the caption, so fums up it is. Yes, Lord Beaverbrook, the little figure here
does resemble a Kewpie: the infamous cartoon-strip character (later made into a doll) created by the colorful Rose O'Neill in 1909.
O'Neill was a much-married American magazine illustrator who became a millionairess, thanks to the Kewpie craze. (The name is thought to be a variant on Cupid.) During the teens, O'Neill had a salon in Greenwich Village, where she was known as the 'Queen of Bohemian Society,' and agitated for women's suffrage. Something that doesn't make it onto her Wikipedia page: that besides works like
The Kewpies and the Runaway Baby, she was also the author of
The Master-Mistress, a collection of fairly overheated Sapphic verses. Later in life she retired to the Ozarks, where she dressed in a loose floor-length gown she called an 'aura.' Her Ozark neighbors--at least according to her biographer--called it a 'flyin’ squirrel dress,' on account of its floppy 'oriental' sleeves.