My Item Very Large Red Gum Burl carved into a Bowl. has been listed as free postage. It is not.

[australianwoodcreations2013]

I made it clear in my postage policy that The Very large Red Gum Burl which weighs 5 kilo, and the cost of postage would be calucated according to location. When I looked at my post it said free postage. So I went to Edit my listing, And added a few things, to make it clearer and when I went to continue it said I had to add a proper value for postage, and name the service .I had alreadt put Australian Prepaid parcel Post in a 5 kilo carton. delivery i-6 days. I am a aloss as what to do as I never offered free postage. I have a aus.Postage charges, but you have to have a location. I would appricate any help. Thankyou.