<Tr> <Td> Royal Collection, London, UK </Td> <Td> </Td> <Td> </Td> <Td> Basket of Wild Flowers, Colonnade, Mosaic </Td> </Tr> <Tr> <Td> Matilda Geddings Gray Foundation . Displayed at the Metropolitan Museum of Art, New York, United States </Td> <Td> </Td> <Td> </Td> <Td> Danish Palaces, Caucasus, Napoleonic </Td> </Tr> <Tr> <Td> Edouard and Maurice Sandoz Foundation, Lausanne, Switzerland </Td> <Td> </Td> <Td> </Td> <Td> Swan, Peacock </Td> </Tr> <Tr> <Td> Hillwood Estate, Museum & Gardens, Washington, D.C., United States </Td> <Td> </Td> <Td> </Td> <Td> Twelve Monograms, Catherine the Great </Td> </Tr>

Who made the world’s most expensive egg and how much did it sell for