有心人在１３年前就已经策划了。
只有在中国邮局７天都送信，因此从２００１年开始积攒邮戳。
01/01/01
02/02/02
...
12/12/12
Don't know how mucht it worth for all 12 years worth of them. If allowed, adding time tag will make it more profitable.
01/01/01 01:01:01
02/02/02 02:02/02
...
12/12/12 12:12:12 ... if not 00:00:00?
Since this event happens once every 100 years, if not 1,000 years, someone will pay a fortune for them!
