I don't know what ad fee is - but what you have shown is that you have definitely been charged with postage labels through ebay - so if you didn't use them and went through Aust Post instead, get onto ebay  today and arrange for money back - in fact there might be a drop down menu where you can request a refund next to "manage my labels'

You only have a very limited time to do this otherwise you lose your money

And the 500g parcel rate went up to $9.15 on 1 March.