The proper Australian edition with printed OFLC rating was probably manufactured after the initial batch of officialy imported discs. The case does not have a Memory Card holder. For some reason, some copies have an MA15+ sticker covering the printed MA15+ logo.
1. Front
2. Back
3. Disc
4. Front of manual
5. Front with MA15+ sticker
Thanks to eBay members abro1049 (images 1-4) and spaceace7777 (image 5).