The postcard shows The Mansion in Baguio city. The Mansion is the official summer residence of the President of the Philippines. The Mansion was built in 1908 as the official summer residence for the US Governors-Generals who were the American administrators for the Philippines. The name is derived from the summer cottage in New England of Governor-General William Cameron Forbes during whose administration the original Mansion House was built.
It was badly damaged during the Second World War and was rebuilt and improved in 1947. Since then, it has served as the holiday home and working office for each President of the Philippines during his or her visits to Baguio.
Mansion House, Baguio City Wikipedia Entry