Ivan Dougherty Gallery ....1970 On Kawara. [Getty Images]

Ivan Dougherty Gallery ....1970 On Kawara. April 11, 1990. (Photo by Steven Siewert/Fairfax Media via Getty Images) — see more

Ivan Dougherty Gallery ....1970 On Kawara. April 11, 1990. (Photo by Steven Siewert/Fairfax Media via Getty Images)

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