Cf. Herbert Furst, The Decorative Art of Frank Brangwyn, (John Lane) 1924, p. 229, illustrated; the photograph shows four pieces of jewellery designed by Brangwyn for Bing's Maison de l'Art Nouveau, but no others are known to survive

'There is something incongruous in the association of our artist's name with things [such] as jewellery, embroidery and fans. Brangwyn seems the last artist in the world to design things for the use or adornment of women ... His jewellery designs were produced as a protest against the machine-made work which was turned out thirty years ago, and which though still on the market, is now rivalled by 'hand made' stuff, perhaps not much less objectionable ... Brangwyn himself objects not only to the machine-made article and the things made by an unskilled or fumbling hand, but also the habit that women have of wearing precious stones merely for the sake of their colour ... As regards the use of semi-precious stones or other materials of mineral or animal origin: Brangwyn would have such things only sanctioned if they are shaped to form part of a carefully-considered and wrought whole. Brangwyn's designs for jewellery are therefore distinguished by the simplicity of form and the opportunity they give for the display of beautiful colour.' (Furst, pp. 228-9)