This is a 1976 edition of a the Ward Hunt Strait to St Georges Channel nautical chart. It includes Papua New Guinea and it's surround islands in the Solomon Sea.
It is a lovely detailed chart and perfect to frame & hang on the wall.
Old charts are hard to come by as once out of production, retailers are required to return stock to be replaced with new editions.
This chart was purchased in South African and then corrected (updated) in the UK. It has the stamps on the back of it of the companies who stamped it.
measures approx 110cm x 72cm high.