Any thoughts on what this may be worth?
(http://www.australian-coins.net/gallery/albums/userpics/11067/coro3.jpg)
(http://www.australian-coins.net/gallery/albums/userpics/11067/coro4.jpg)
(http://www.australian-coins.net/gallery/albums/userpics/11067/coro1.jpg)
(http://www.australian-coins.net/gallery/albums/userpics/11067/coro2.jpg)