A genuine aluminium pocket calendar for the year of 1907 to 1927 from John Spencer Limited.

THE BRITISH MUSEUM DESCRIBE IT AS FOLLOWS; Quote:

''Aluminium two-component perpetual calendar medal, with thin revolving disc of same diameter riveted to centre of obverse. (whole) (whole)

Inscription with name and location of advertiser and range of products, beginning along upper edge, continuing in horizontal lines below; (reverse) (reverse)

Upper obverse: revolving disc with two cutaways, a larger arc along upper edge and small arc below centre, allowing partial views of data on lower obverse; in centre, circle with usable dates of calendar inscribed along edge; names of months inscribed above and days below centre; instructions for use of table at sides in between; at either side of disc, a small pin to facilitate turning. Lower obverse: along edge of main disc, circular table of years divided into 21 fields, of which seven are visible at one time through larger cutaway above; near centre, concentric circular table with days of week in 21 fields, of which seven are visible at one time through smaller cutaway above. (obverse) (obverse)''

There may be light wear consistant with normal use as this is a vintage / 

pre-loved item.  

Colour may vary slightly from the photos due to lighting conditions.

Comes as pictured.

Feel free to ask for more details if needed.