Where did the phrase “that will cost you an arm and a leg” come from . . . ?

Historical fun fact: The phrase, “That will cost you an arm and a leg” came from art commissions that charged for additional the body parts. If you wanted more than your face in the painting, you had to paid for it. (below, (2014) Transitions, commissioned by the State of New #art #painting #commission Hampshire, 1% commission award).