In 1968, acreage was on offer at Horsley Park for just a $390 deposit. Quite interestingly the area in question is mostly now Crown Land - Western Sydney Regional Park. The M7 slices through its western fringe and even is home to the Sydney Equestrian Centre.
Source: Allan H. Tuckey Pty. Lrd. 1968. "5 Acre Farms Fairfield West" (Advertisement). The Daily Telegraph, June 22, 43.