Artist: Gibson, John
Period: 19th Century
Material: Stone, marble
Location: The Usher Gallery, Lincoln

This model is available from several sources and it is not known which was the original one. I give a possible source here:

https://www.lincoln3dscans.co.uk/lincoln-3d-scans/2018/7/3/nymph-preparing-for-the-bath
‘Courtesy Oliver Laric and The Collection Lincoln’.