Houghton Ticka Watch Camera Solid Silver Miniature Submini

Very rare solid silver Ticka version with British hallmarks (body hallmarked „London 1906“).

For 25 exposures in 16x22 mm format on a special cassette-type film. Inside marked „PATENTED IN MOST COUNTRIES „TICKA“ HOUGHTON'S LIMITED LONDON“.

Provenance: Christie's South Kensington „Spy, Subminiature and Detective Cameras“, December 09th 1991, Lot 216.