Stamp collecting big business in Asia
21 May 2013 Last updated at 01:02 BST
Stamp collecting may be an age old hobby, but at the elite end of the market it is big business.
And it is getting bigger in the Asian region as more investors look for alternative places to preserve their wealth.
Rare stamp experts, the UK-based Stanley Gibbons, has just opened its first office in Singapore.
Sharanjit Leyl spoke to its group investment director, Keith Heddle.