Cased with an inbuilt stereo viewer 'MASCHER'S IMPROVED STEREOSCOPE PHILADA. PATENT MARCH 8TH 1853' stamped into leather on viewer. Within case, on black paper on base 'FROM BROADBENT & CO'S DAGUERREAN ROOMS, No. 136 Chestnut Street, Philadelphia'. Creator Samuel Broadbent.
Resembles 1990-5037_A.106