Caroline S. Brooks and her sculpture in butter during a public exhibition at Amory Hall, Boston, USA, in 1877.
Author unknown
<a href="//commons.wikimedia.org/wiki/File:Caroline_S._Brooks_and_her_sculpture_in_butter_during_a_public_exhibition_at_Armory_Hall_in_1877,_from_Robert_N._Dennis_collection_of_stereoscopic_views.png" title="File:Caroline S. Brooks and her sculpture in butter during a public exhibition at Armory Hall in 1877, from Robert N. Dennis collection of stereoscopic views.png">File:Caroline S. Brooks and her sculpture in butter during a public exhibition at Armory Hall in 1877, from Robert N. Dennis collection of stereoscopic views.png</a>