Lourentius Plas ( 1828 - 1888 ) was a Dutch painter. Lourentius Plas s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 348.72 USD for Een schaap en een lammetje in een Hollands landschap in 2004 to 1400 USD for sheep in barn in 2005 , based on the size and medium of the artwork.