(i) signed and dated "Christo 1983" upper left; further titled "Surrounded Islands (Project for Biscayne Bay, Greater Miami, Florida/Venetian Causeway to Broad Causeway)" lower edge; further numbered "91A" on the reverse
(ii) numbered "91B" on the reverse

pastel, graphite, acrylic, fabric and wax crayon on board, in artist's Plexiglas box, in 2 parts

(i) 11 5/8 x 28 3/8 in. (29.5 x 72.1 cm.)
(ii) 22 1/4 x 28 1/4 in. (56.5 x 71.8 cm.)

Executed in 1983.