By the London Stereoscopic Company around 1860. I am not an expert in this field, but if you're reading this then you probably are. It has a walnut veneer with a frosted glass panel and viewers brass It has a disc insertion with the company name and address 110 Regent Street. Please take a good look at the pictures because they show how nice it is the condition Plating has no chips or cracks. It has some very light marks consistent with age Frosted glass panel is excellent I have not cleaned the brass to keep its patina The interior mirror has black dots and lines as is common in ancient mirrors. The lifting panel has a small button, again without damage. Measured approximately 19.5 cm x 10.5 cm wide x 15 cm high depth