Martyn Richardson Mackrill ( 1961 - ) is a British painter. Martyn Richardson Mackrill s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from USD for in to 21716.5 USD for Valkyrie (III) leading His Majesty`s yacht Britannia off Hunter`s Quay, during the Clyde Regatta, 1895 in 2004 , based on the size and medium of the artwork.