For a full list of prisoners search google for.
Vegan Prisoner Support Group
Anarchist Black Cross
You can write to Sean at the following address.
HM Prison Stafford, 54 Gaol Road, ST16 3AW
Serving four and a half years for organising demonstrations against animal testing company Sequani.
Can send - cheques/postal orders made out to 'The Governor' (write prisoner/sender details on back) and self-addressed envelopes (SAEs).