Found-Object Report Grazing cow Artist / Creator Os, Pieter Gerardus van Object type Graphic Material / TechniqueGraphite ; Pencil / drawnLost Art-ID584007
Search Request Two cattle and three sheep by the river; reverse: sketch of a cow Artist / Creator Os, Pieter Gerardus van Object type Drawing Material / TechniqueWatercolour / watercolouredLost Art-ID170055
Search Request Still life Artist / Creator Os, Jan van (?) Artist / Creator Os, Pieter Gerardus van (?) Object type Painting Lost Art-ID276033
