This chart/map is covers all the way from Percy Isles to Booby Island, showing a large section of Queensland, Cape York Peninsula and some of Papua New Guinea. Mackay, cairns and Townsville are all marked.
It would make a gorgeous piece to frame and hang on the wall. Perhaps you've sailed these waters?
Old charts are hard to come by as once out of production retailers are required to return stock to be replaced with new editions.
Measures approx: 120cm x 70cm