Air is a lead or bronze sculpture, by Aristide Maillol.
He modeled Dina Vierny in plaster in 1938, and casts were made after his death.
It is an edition of six. Wikipedia
Artist: Aristide Maillol
Created: 1938
Dimensions: 130 cm × 240 cm × 93.3 cm (50 in × 94 in × 36+3⁄4 in)