Return Ticket To Sydney Australia 19th Feb - 4th March ?

I am selling my return ticket to Sydney Australia for £600. The ticket is a Qantas airlines ticket and i originally paid £950. Due to unforseen circumstances i am unable to use the ticket so i am forced to sell. I have listed the details of the flight below. If you are interested please do not hesitate to contact me. Thanks Outbound - Sunday February 19th 22:10 London (Heathrow) - 06:55 (Tue) Sydney Inbound - Sunday March 4th 16:55 Sydney - 21:45 Singapore 22:55 Singapore - 04:50 (Mon) London (Heathrow)