vw polo mk2

Hi anyone know how much a mk2 polo is worth my car is a 1987 E reg breadvan with a 1.3 MH engine and 5 speed gearbox every part is standard, the body work is a bit tatty with rust spots here and there, more so the 2 front wings  and could do with respray to get it to show  condition mileage is 79.000 the car is still in daily use with 11 months mot. just curious to know the prices as could be possibly selling in the near future