These are the rare coloured Sandmans so far to look out for.

[Absinth]

phantom grey metalic mark 1 and mark 2 are the names for the colour you are talking about...finding nice shiny pics of them isnt easy..my hq ls350 is pgmk1..not shiny but.

Phantom grey metallic was 1971-1972 Greg. Gunmetal grey was 1973-1974.