These play-miniatures were produced in some numbers but, by the 19th century, small portraits were mass-produced, accessible even to poorer soldiers who wanted to send a picture of them in their ...

Rare, problematic portrait of 19th-century enslaved man named Frederick sells to unknown buyer at New Orleans auction for ...

In 1847, French photography pioneer Charles Nègre created a 3D self-portrait using a "witch's mirror" - a clever piece of 19th-century surveillance technology. These convex mirrors, popular in ...