Very
Small Tropical Wood Detective-Camera »Patent Bischoff «, c. 1890 V. Bischoff, Munich.
With 16 plates 6 x 9 cm. Up to now only known in 9 x 12 cm format. Extremely
rare and attractive!
Estimate: € 1,500/2,000
US$ 1,950/2,600
Reserve: € 1,250/US$ 1,625
