Rare crystalotype by Charles Ehrmann of McClees & Germon dated Dec. 1854
PORTRAIT OF HARRIET BEECHER STOWE
framed, signed on verso and with embossed lower center
H9 1/2" W7 1/4"
together with compiled folio of biographical information and images.

Other Notes: Crystalotype is a sun picture taken on glass by the collodian process. The crystalotype is formed at once, and imparts to the positive or reflected picture a greater clearness of detail, and finer tone than Talbotype, which uses a negative.