Inspecting mail for cash
To prevent the drain of US currency from Canada, the government had the power to open mail to ensure that money was not being exported without permission.
"Good Neighbours," R.G. Purdy, Toronto, Ontario, to Rev. B.W. Pullinger, Detroit, Michigan, [1942]
envelope, 16.5cm x 9.3cm
John Irvine Collection - London, Ontario
Second World War