PROFESSOR SIR ISAAC BAYLEY BALFOUR (1853-1922)
This blue ‘On Her Majesty’s Service’ envelope from the Department of Agriculture was addressed to Professor Bayley Balfour, University (crossed out in red ink), Edinburgh, Scotland and a ’10’ was also added in red ink, close to an illegible postmark. The stampless cover was sent with a small MELBOURNE/ 3A/ AU 14/ 94 duplex VICTORIA postmark as well as a black Department of Agriculture/ Frank/ Stamp/ Victoria (first used in