PSA Postcards For now, this page has been limited to postcards that I can identify as issued by PSA. Click on any postcard to view a larger image.   Douglas DC-3 Douglas DC-4 Lockheed Electra Electra Interior Boeing 727-200 Lockheed L-1011 Lockheed L-1011 Lockheed L-1011 Boeing 727-100 McDonnell Douglas MD-80   Farewell Postcard