COMP 3 ID HELP PLEASE

[spinmaster]

what year are these comp 3s from then, i read about the different labels for the years but couldn't find any that matched these. thanks

[Vegan]

80's

[spinmaster]

  thanks

when though, top middle or bottom?

[burnaliser]

Think those are the later ones, what size do you have? 

[spinmaster]

20 x 1.75.