Matchbox Lesney 41 c Ford GT Racing Stripe Decal RN#6.
Turn upside down for rare factory error as racing number 9.
These are water-slide decals. Clean your model first. Soak the decal in a shallow bowl or saucer until the decal can be separated from the backing paper. If the decals are multiples do one at a time. moisten the location on the model where the decal will be applied. This will help get in on the model and adjust before touching gently with a dry sponge to remove excess after correct positioning. Leave to dry.