Alasdair G D Mackay ( 1891 - 1968 ) was a painter. Alasdair G D Mackay s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 28.45 USD for Portrait of a Lady in 2004 to 723.24 USD for The coast by night, Craig, Plockton Ross-shire in 2014 , based on the size and medium of the artwork.