Oscar Moritz Ernst (ernst) Leyden . Aliases: Oscar Moritz Ernst (ernst) Leyden ( 1892 - 1969 ) was a Dutch painter. Oscar Moritz Ernst (ernst) Leyden s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 3344.76 USD for View of a garden in 2010