A RETRO CABOCHON RUBY, DIAMOND AND GOLD BROOCH, TRABERT & HOEFFER, MAUBOUSSIN

Details
A RETRO CABOCHON RUBY, DIAMOND AND GOLD BROOCH, TRABERT & HOEFFER, MAUBOUSSIN
The single, circular and old European-cut diamond and gold scrolling ribbon enhanced by a line of cabochon rubies, terminating with an old European-cut diamond, mounted in white and yellow gold, circa 1945
Signed by Trabert & Hoeffer, Mauboussin
Literature
For an illustration of two brooches of similar style see:

Marguerite de Cerval, "Mauboussin", Editions du Regard, Paris, 1992, p. 175