What is my XYZ worth? How much is THIS worth? Value my...

first posted in the wrong directory, so here im asking about this..

pinarello montello slx

• 130mm rear spacing (1990?1989?)
  
• Campagnolo drop outs
  
• about 1500 kilometers ridden
  
• good to very good condition with original painting (fonts are partly new)
  
• columbus slx tubin (1950g frame weight)
  
• shimano 600 bottom bracket/head set
  
• complete chrome-frame
  
• size is seat/top tube 55
  
  

http://www.abload.de/img/dscn1121fjp7w.jpg

thank you for your help!