Brand new, Robbe Modellsport Rothmans Decals for Tamiya Porsche 956/934/Group C - NOS.  vintage decal sheet, appears to be sized for 1/12th scale, based on the size of the stripes, but should work for other models as well.

Approx 21mm x 150mm.

Sized for 1/12 or 1/10th scale cars