Daguerreotype "portrait Of A Woman" Enhanced In Its Union Case

Rare oval leather Union Case containing a daguerreotype circa 1845 Very beautiful portrait of a woman enhanced. The woman wears many jewels with gold highlights and is dressed in a dress in black silk tafeta and lace. She holds in her hands an oval Union Case set with pinchbeck. The black leather Union case is stamped "Breveté SGDG" Inside, the daguerreotype is set with pinchbeck and, around the velvet, the leather is marked with a gold garland. Union Case format 7.5x9 cm Image format 7x5.5 cm The daguerreotype is the first photographic process developed by Nicéphore Niépce then Louis Daguerre and offered to the whole world (except the United Kingdom) by France in 1839. It is both a negative and a positive, hence this characteristic mirror effect. They were also poetically called in the 19th century "mirrors that remember".
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