FWIW oneofone, why not try 'Five Islands Marine' in Yallah, near Wollongong? We just received 10 from them, kindly donated to us W.A.A.C.ers by John the owner. (Nice bloke). Joined our little group as well a couple of months ago.
I think his price was $17.00 or so. Just a thought.

L.
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www.five-islands-marine.com.au