There are three varieties on the one sheet. The stamps below is on the lower part of a pane of 40 stamps; 4 across and 10 down, The extra 4 stamps are from the second pane.
The "Man with tail" is the first stamp on row 7 (7/1)
The "Pantaloon" is the 2nd stamp on row 10 (10/2)
The "Koala in tree" is the 3rd stamp on row 10 (10/3)
It is catalogued in the ACSC #175
The cancellation on your stamp is so fine you can hardly see it, and the variety is easy to see.