Madagascar in undamaged condition with original contents 31cm high (12" high).
For a similar example see, Christie's Paris, 7 April 2009, lot 442, sold for Euro 51,000 and Christie's Paris, 16-17 April 2008, lot 67, sold for Euro 84,250.
Literature See Fuller, E., extinct Birds, Oxford University Press, Published 2000 and Milne, Edward, A., masson, G., Research on the extinct ornithological fauna of the Madagascar, 1866. Also see John Hawkins article "The Giant elephant Bird", The Australian Antique Collector, Jan - June 1994, page 83.
Please note the egg has been drilled and the contents is sand.