Inscription: Signed, dated, and inscribed (on bottom, in black glaze): 1981 SHIRE EX P / 7A [in triangle]; (inside lid, in black): 7A
the designer's family (until 2001; their gift to MMA)
New York. The Metropolitan Museum of Art. "Significant Objects," November 26, 2002–May 2, 2004, no catalogue.