Haunch of Venison has some very affordable limited edition prints by a range of contemporary artists including Hew Locke, Mat Collishaw, Polly Morgan, and, pictured, Keith Coventry.
I think these are very good value.
Here are all the details of the Coventry print
Edition of 200
Signed and numbered by the artist
One colour screenprint on 310gm Somerset Tub sized paper, glazed finish with one deckle edge
Image size: 26 X 18cm
Total size: 38 x 30cm
© Keith Coventry 2008