Signed on lid [NWA box], in Japanese, inscribed in ink"Jûyô mukei bunkazai [An important intangible cultural asset] Ishii Furô" [and artist' seal]. Not dated.
Signed at foot, incised "[artist's mark]". Not dated.
Gift of the artist 1963
Not on display
Peter Rushforth, Hemisphere, The Artist Potters of Japan, May 1964, 21 [illus.].