There was only one bidder for the bust-length portrait, which brought $1.6 million.
In 1890 he completed a second bust-length portrait of the Ticinese-born Father Joseph Fransioli of Brooklyn (lost).
During the 15th century portraiture became common, initially often formalised profile portraits but increasingly three-quarter face, bust-length portraits.
The few other bust-length portraits of Ida are equally striking.
A particular feature in Poland was the coffin portrait, a bust-length painted portrait of the deceased, attached to the coffin, but removed before burial and often then hung in the church.
A bust-length portrait of an ardent, winsome St. Peter in the show is probably one.
This may have been true in the case of arresting bust-length portraits of Berber women with tattooed faces and kohl-lined eyes.
The first conquest ruler was none other than Kublai Khan of "pleasure dome" fame: he is seen here in a bust-length portrait, ruddy of cheek and beady of eye.
It was in the bust-length portrait that he made a distinctive contribution, though in this genre, too, he sometimes adhered to received formats.