Antique vintage set of prepared microscope slides in book style case

Antique vintage set of prepared microscope slides in book style case. British, circa 1950s. Part set (62 out of 100 slides). Some are labelled but most are not. Size of box: 11.25 x 7.25 x 1.75 inches. Weight: 847g (allow up to 2 kg volumetric weight once packed). Condition commensurate with age and use - various superficial marks & scratches and please note only 62 out of 100 slides are present. Priced accordingly.