Singapore Philatelic Museum opened on 19 August 1995 to promote interest in and the appreciation of Singapore's history and heritage in philately. Besides the permanent galleries, the theme galleries offer a host of changing exhibitions throughout the year. These include displays from the private collections of renowned philatelists, travelling exhibitions from overseas and themed exhibitions to commemorate new stamp issues. The museum has a stamp shop, and is popular with stamp collectors.
http://en.wikipedia.org/wiki/Singapore_Philatelic_Museum