I wasn’t able to find a copy for sale of the original version in any condition, however I learned that the National Film and Sound Archive Australia has a copy, which is available for viewing… www.nfsa.gov.au/.
I also found out that Channel 9 (Australia) owns the TV rights to the original version which they apparently air from time to time. (Due to it’s classification the original can’t be broadcast on free TV before 8.30pm.)