The Postmaster-General of Victoria was a position in the government of the colony Victoria (Australia) prior to the Federation of Australia in 1901. The position was created soon after Victoria became a separate colony in 1851 (see History of Victoria).
List of Postmasters-General of Victoria
From 1901 the duties were taken over by the Commonwealth of Australia.
References
Postmaster-General of Victoria Wikipedia(Text) CC BY-SA