There have been few Dxpeditions to Prince Edward & Marion Islands. Below is the complete list, with thanks to F6AJA and K8CX

• ZS6ZU/2 1953
• ZS2MI 1955
• ZS2MI 1957
• ZS2MI 1970
• ZS2MI 1979
• ZS8MI 1989
• ZS8MI 1993
• ZS8IR 1996
• ZS8MI 2004

Have a look at Les Nouvelles DX or Ham Gallery for QSL cards of these operations.