Vintage 1960s/70s headscarf with bold graphic design

Measuring 67 x 68cm, this 1960s or 70s headscarf has a bold, hand-drawn graphic artwork in which a calligraphic-style framework in dark blue divides the textile into angular blocks printed respectively in rich kingfisher, emerald, aubergine, grey and white. The scarf is in excellent condition and has rolled edges. The fabric is presumed to be polyester.