Looking for signed Banksy prints within London

[posterbob]

Hi all,

     I've recently sold off a number of my unsigned prints and am looking to purchase some signed work. I am looking to pay cash to people within the London area who have been registered owners of a print for at least 6 months. I am open to many images but in particular I am looking for:

Trolleys
Donut (both colors)
VLH
Pulp Fiction
Gangsta Rat (open to APs)
CWSB
and more.

Send me a PM and with any luck hopefully we can arrange a deal. 

Thanks