The offence that had circuitously brought 'il Rasojo' and his 'lot' within the cognizance of Scotland Yard outlines the kind of story that is discreetly hinted at by the society paragraphist of the day, politely disbelieved by the astute reader, and then at last laid indiscreetly bare in all its details by the inevitable princessly 'Recollections' of a generation later. It centred round an impending royal marriage in Vienna, a certain jealous 'Countess X' (here you have the discretion of the paragrapher), and a document or two that might be relied upon (the aristocratic biographer will impartially sum up the contingencies) to play the deuce with the approaching nuptials. -- Ernest Bramah, The Game Played in the Dark (a Max Carrados story)
I would leave the fylfot in the pawnshop if I were you.