1936/1955 (ca.), Australia, lot of ten covers which were damaged en-route, and with related instructions marks like "Mutilated by Stamp Cancelling Machine", "Received in Air Mail Section Sydney Stamp Missing", "Received damaged by Water", "Stamp fallen off", incl. five entires CRASH MAIL in the original sense with "DAMAGED BY SEA-WATER" (1936), "DAMAGED BY SEA WATER IN AIRPLANE ACCIDENT" (three pieces 1937), "SALVAGED MAIL EX CENTURION" with mirror-inverted "D" (1939).