Johann Baptist Lampi ( 1751 - 1830 ) was an Italian painter. Johann Baptist Lampi s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 13939 USD for Alleged juvenile portrait of Empress Maria Ludovica with a jewelled diadem in 2004 to 271500 USD for Portrait of Count Franz Peter Friedrich von Diesbach (1739-1811) in 2017 , based on t