67 years ago a copper box containing documents was sealed in a cornerstone of the American Embassy in Canberra. Amongst the documents enclosed is a colour photograph of US President Franklin D. Roosevelt (bio), two copies of the Canberra Times and a bridal bit (horse) used by Robert Campbell of Duntroon, first settler on the Limestone Plains of present day Canberra...
The Canberra Times - 5 May 1943
National Library of Australia (here)
The United States Embassy in Canberra