According to this it's stiill taxed.....

Date of Liability 01 12 2010
Date of First Registration 25 05 1983
Year of Manufacture 1983
Cylinder Capacity (cc) 1597CC
CO2 Emissions Not Available
Fuel Type Petrol
Export Marker Not Applicable
Vehicle Status SORN Not Due
Vehicle Colour WHITE
Vehicle Type Approval Vehicle Excise Duty Rate for vehicle
6 Months Rate £104.50 1
2 Months Rate £190.00