John Brooke Maginnis was an American artist who was born in 1940. John Brooke Maginnis's work has been offered at auction multiple times, with realized prices ranging from 7 USD to 400 USD, depending on the size and medium of the artwork. Since 2021 the record price for this artist at auction is 400 USD for Buffalo In A Field, sold at EJ's Auction & Appraisal in 2021. The artist died in 2010.