Distinctive man and woman may be identifiable, this is early for the field of modern science. Incredible details of glass bottles, beakers, test tubes and early electric lights. European postal back (3.5 x 5.5"). Nice...
Incredible, the bone structure posed / supported by thin posts and wires. Thin albumen paper likely dates to the 1880s and uneven trim measures 4.75 x 6”. Heavy gelatin with sepia cast and nice condition...