Looks like regarding to Cadmium, "vintage" means up to mid-to-late 1980s [0]
> Apparently The [Lego] has been aware of this concern for at least three decades (hence the switch to Cadmium free plastic colorants sometime in the mid-to-late 1980s)
[0] https://tamararubin.com/2019/05/vintage-1970s-legos-test-pos...
Looks like regarding to Cadmium, "vintage" means up to mid-to-late 1980s [0]
> Apparently The [Lego] has been aware of this concern for at least three decades (hence the switch to Cadmium free plastic colorants sometime in the mid-to-late 1980s)
[0] https://tamararubin.com/2019/05/vintage-1970s-legos-test-pos...