January 28, 1906: The New York Times. Difficult to make out, the heraldic tapestry showing the Bourbon arms, was on the order of the one shown below. French and dating to the eighteenth century, it indeed might have been designed by Boucher. Whether it was or not, this must be the tapestry mentioned in a number of letters by the creators of Harbor Hill.
See Harbor Hill, Clarence Hungerford Mackay's Mansion.