[Group of 266 Stereograph Views of the 1855 and/or 1867 Universal Expositions in Paris, France]

This extensive group of stereograph views offers a fascinating window into the Universal Expositions held in Paris during 1855 and/or 1867. Each card, an albumen silver print, presents two nearly identical images side-by-side. When viewed through a stereoscope, these flat photographs merge into a single, three-dimensional scene, creating an immersive experience for the viewer. We see the grand architectural marvels erected for these global showcases, from intricate pavilions to vast exhibition halls, along with glimpses of the crowds that flocked to witness the latest innovations and cultural displays. These images capture the spirit of an era captivated by progress and international exchange, allowing us to step back in time and experience the spectacle of these monumental events as they were originally presented over a century and a half ago. William H. Key, active during this period, helped document these significant moments.