Summary | The two panies have been in discussion for some time,
but no progress has been made so far.The global stamp
collecting market is worth $10 billion a year.The pany,
established in 1856, is the leading stamp dealer in the
world.Its catalogs are used to set the market price for rare
stamps.The pany also sells rare coins and other ...
en.ce.cn | 01 August 2017