These are not the Golden Girls you were expecting.
However, Arthur, who died in 2009, did not actually sit for the painting, which was done by artist John Currin in 1991.
A spokesman for Christie's called the painting "historically significant," though noting that "it's radical to sexualize someone people think of as asexual."
What do you think of the painting? Check out the unedited version here. (Warning: NSFW.)