Martin Maingaud ( - 1725 ) was a French painter. Martin Maingaud s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5469.54 USD for PORTRAIT OF GENERAL GEORGE CARPENTER, 1ST BARON CARPENTER OF KILLAGHY (1657-1732) in 2005 to 8888.01 USD for PORTRAIT OF LORD GEORGE HAMILTON, EARL OF ORKNEY (1666-1737) in 2005 , based on the size and