gray number in a sentence

• All eyes were on Johns'" Gray Numbers " ( 1957 ), the cover image of the sale catalog.
• But in the end, the gray numbers are often translated into colorful three-dimensional pictures, the language human brains comprehend best.
• Highlights include a 1957 Jasper Johns painting, " Gray Numbers, " estimated between $ 5 million and $ 7 million; an untitled 1963 Mark Rothko estimated at $ 4 million to $ 6 million; and Franz Kline's " Rue " from 1959 estimated between $ 3.5 million and $ 4.5 million.
• It's difficult to see gray number in a sentence .