Between them, Randy Kaplan and Zoltan Marian have collected more than 2000 autographs of heads of states, royals and popes. They share a kind of ethical code, but differ when it comes to who will they include in their collections.
The South Korean government has asked a group to postpone lighting Christmas Trees along the North-South border, as North Koreans mourn the death of their leader, Kim Jong Il. But Seoul hasn't stopped from sending leaflets denouncing Pyongyang.
The last time North Korea had a transition of power, people in the South feared the outbreak of war. Now they're taking it in stride. And as Jason Strother reports, some see the change as an opportunity for South Korean business.