How much can I sell my PS3 for? (With few games)?

I would like to get a new gen console but my parents said I need to save money for I thinking of selling my ps3. (As much as I am attached to it)
How much can I sell a 111GB ps3 with the following games:
CoD: MW
CoD: BO 1
CoD: MW2
CoD: MW3
CoD: Ghosts
CoD: AW
Grid 2
Portal 2
Assassin;s creed 3
Fifa 12
Grid.
Minecraft (Digital)

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