The shield of this tile is emblazoned with a crisply outlined griffin. The flanking French inscription reads: "We must think."
[ Sam Fogg Ltd., London (sold 2015)]
Mellor, Maureen. Pots and Tiles of the Middle Ages. London: Sam Fogg Ltd., 2014. no. 39, pp. 102–103.
The Metropolitan Museum of Art. "One Hundred Forty-Fifth Annual Report of the Trustees for the Fiscal Year July 1, 2014 through June 30, 2015." Annual Report of the Trustees of the Metropolitan Museum of Art 145 (2015). p. 54.