John S Johnston ( 1865 - 1901 ) was a British painter. John S Johnston s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 563 USD for Shamrock I at NYYC, 1899; Jessica (and Loyal); Clara; Minerva; and Mariquita in 2008 to 2250 USD for America's Cup winner Defender, 1895 in 2008 , based on the size and medium of the artwork.