Excellent question King conn,
I'll have a shot at it, no doubt depends on the individual
but first would come the
1. 1913 engraved no wmk perf 11.
2. typo series (die 1,2 and 3)
1914-1924 single wmk p14
3.1918-1924 large mult wmk p14
4. 1924 no wmk p14
5. 1926-1928 small mult wmk p14
6 1926-1930 small mult wmk p13.5x12.5
7. 1930 surcharges
8 1932 opt OS small mult wmk
9 1931-1936 cofa wmk p13.5x12.5
10 opt OS cofa wmk
I follow the "seven seas" catalogue style order
it makes the most sense to me in a KG5 context.
I began with their simplified listings, and branched out form there.
Hope this makes a little sense to your collection in a broader sense,
to be more definitive would be to suggest an Aust specialist SG catalogue.
Here is the Seven seas simplified list (for assist to perhaps any neophytes viewing):
