Heres a mid 80s Crab I sland thruster with a cool spray from Stephane's collection. 6'2 x 19 1/2 made by Pete Crab in Swansea . Check the channels and wave graffiti graphics. Pete started making boards in 1977 and still shapes today.
From Tube news 1985/6 , Glen Winton quad model on the left.
On ebay recently was this classic late 80s thruster by Adrian Phillips of Fluid Juice. Made at St Merryn its a cutting edge board of its time and still looks good with strong colours and not much damage.
From Surf scene 1987