Almost brand new Gainward GTX 750 Graphics card in AUSTRALIA FAIR, Queensland for sale

I have a almost brand new GTX 750 graphics card for sale, it was put into a custom PC I had built, but they put in the wrong graphics card. It was only in my PC for about 2 days and runs perfectly fine. It has no dust or corrosion or any wear and tear on it whatsoever, its basically in brand new condition. It comes with original box, all manuals and installation disc. it also comes with a $100 in-game credit to either Heroes Of Newerth or Path of Exile.
Minimum system requriements:
PCI express-compliant motherboard with one x16 graphics slot
Min 300W or greater system power supply (with a min 12V current rating of 20 A)
300MB of available hard-disk space
2GB system memory (4gb or higher recommeneded)
Microsoft windows 8, 7, vista or XP (32 or 64 bit)
DVD ROM drive or internet connection.
Any further questions let me know!