Park Eok-seon, Expert on Counterfeit Foreign Currency, holds a counterfeit U.S. 100-dollar bill, above, and a real U.S. 100-dollar bill, bottom, at his office in Seoul, South Korea, Thursday, June, 11, 2009. As the United States weighs independent sanctions against Pyongyang for its recent nuclear test and missile launches, the activities fostered by Room 39 are likely to face closer scrutiny. The powerful entity, which has existed for decades, is believed to raise funds through business ventures _ some legitimate and some not _ that include counterfeiting and drug-smuggling. (AP Photo/ Lee Jin-man)