What's the value of?...

[TrevDX]

Hi Guys,

I'm wondering if anybody would be able to give me a rough price for these please? Probably sold together and also 2 posters that I currently don't have pictures for as I'm in the middle of moving box hell



Signed Valve Mousemat by TrevDX, on Flickr

Still Alive mouse mat signed by Gabe



Sacrifice Cover by TrevDX, on Flickr



Signed Inner Pages by TrevDX, on Flickr

Sacrifice book signed by some of the Valve team