Stereo plates housed in a book-form case with a buillt-in viewer: Claudet's patent.
Case has impressed gilt foliate and scroll decoration on front and back, with 7 bands of gilt foliar decoration along spine. Gilt metal strips protect the edges. / Stereo plates housed in a book-form case with a buillt-in viewer: Claudet's patent of March 23 1853.
Presumably commissioned by Queen Victoria, circa 18…