CharlesPrince Charles often writes to ministers , civil servants and public figures . At his most productive period , Prince Charles has written 1,000 letters a year . To regular recipients , these letters are known as the 'black spider ' memos . However , previously leaked letters reveal a snapshot of his political views .
Prince Charles often writes to ministers , civil servants and public figures . At his most productive period , Charles has written 1,000 letters a year . To regular recipients , these letters are known as the 'black spider ' memos . However , previously leaked letters reveal a snapshot of his political views .