Der Eisenring der O mit der Triskele nach der Beschreibung im Buch „Geschichte der O“ von Pauline Réage.
This is an SVG file corresponding to the earlier uploaded PNG file Roissy triskelion iron ring signet.png by AnonMoos.  Generated from a version of the following vector PostScript code:

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AnonMoos (first-uploaded SVG file version a vectorization by Adam_Rędzikowski of raster image by AnonMoos)