greddy external wastegate identificaton

[kylie]

when i purchased my car this greddy external wastegate and manfiold was chucked in with it

only marking i can see on it are the greddy logo / name and the number 05 -07 on the actual wastegate

question is exactly what wastergate it is and whats its worth? and no silly asnwers then asking to buy it lol

thanks

couple of pics to help out