The SWL QSL Museum Curacao Central & South America Radio Princess Julianna - PJC1 - 1937, 1945 / PJC2 Example Courtesy of “Radio Heritage Foundation” Radio Princess Julianna - PJC1 - 1945  QSL Courtesy of Kermit Geary (USA)   PJC2 Example    QSL Example Courtesy of Bill McDavitt