Branford, CTNew England Auctions - Fred Giampietro Duesseldorf, NRWHargesheimer Kunstauktionen Duesseldorf Newbury, BerkshireDreweatts Donnington Priory Duesseldorf, NRWHargesheimer Kunstauktionen Duesseldorf East Syracuse, NYTerri Peters & Associates Duesseldorf, NRWHargesheimer Kunstauktionen Duesseldorf