Alighiero Boetti, Per Sol, Carol, Sofia, Eva LeWitt, Oggi il nono giorno nono mese dell'anno mille novecento ottantotto [For Sol, Carol, Sofia, Eva LeWitt, Today the ninth day of the ninth month of the year nineteen hundred and eighty-eight], 1988. Embroidery on fabric, 144 ⅞ × 139 6/8 inches. LeWitt Collection, Chester, CT. © 2015 Artists Rights Society (ARS), New York / SIAE, Rome. 