Kookaburra-Austral Zig Saw Picture Puzzle

Not much is yet known about the Austral' or Kookaburra-Zig Saw puzzles. The first example I encountered was bought from Australia and features a painting by an Australian artist, but it has no country of origin identification on the box. Clearly it was made for the Australian market but whether they were made there, or imported is unclear. The second example features the Kookaburra name, but not the Austral reference. Please let me know if you can help. I would also like to know when they date from. The box is very similar to the Tuck Zag-Zaw boxes of the 1920's-1930's. Thank you.