Grant's "Stand Fast" Finest Scotch Blended Whisky (1980s Bottling)

An old iconic bottling from William Grant and Sons' for their "Stand Fast" blended whisky in the triangular bottle. We think that this bottle was released some time in the 1980s. It is supposedly a blend of Girvan, Balvenie and Glenfiddich. No box available and sold in "As Is" condition.