That looks like the pup from the point cook museum here in Vic Australia, it's about an hour away.
I have been meaning to go there for a while.
http://www.airforce.gov.au/raafmuseu...on/sopwith.htm
http://www.airforce.gov.au/raafmuseu...ve/sopwith.htm
not pup related but there are some cool photos here
http://www.airforce.gov.au/raafmuseu...historical.htm