Why, society, in this Paris of the year 1788, at least such aristocratic society as they cared to see, consisted entirely either of devoted couples of high-minded lovers each with a husband or wife somewhere in the background, or of even more interesting triangular arrangements of high-minded and devoted wife, husband, and lover, all living together on charming terms, and provided, in case of disagreement, each with a lettre de cachet which should lock the other up in the Bastille.
"The Countess of Albany"
Violet Paget (AKA Vernon Lee)
In fact, there was a cachet on Kensington Square.
"The Way of Ambition"
Robert Hichens
Unfortunately the American material, being supplied by purchasers of the common stock, can never reach a more refined stage, so, after receiving the toady cachet of the chairman, it goes back to America again where it is put upon the market as a superior imported article."
"With Edge Tools"
Hobart Chatfield-Taylor