A most unusual piece of exquisite Boulle in the form of a desk-top perpetual by the creme de la creme of London retailer''s, Asprey of Bond Street, London.The original cards from 1940 are still intact, this would have been the last year it had been used, the piece dates to around 1900. These cards can still be used today as a Perpetual calendar; for instance if 2nd of the month is a Sunday, you would use the card shown for June 1940, it is only this heading that would be incorrect. All the cards are present and all signed by Asprey.The backing is top-notch which one would expect, made from polished Mahogany with a sliding panel which opens the back to change the card. I have also had a red velvet card made in case you would prefer to use as a photograph frame.The Tortoiseshell was attached to the hardwood frame with coloured matter below (in this case red) to give this highly sought after reddish-orange colouring to these works of art. This process first developed by the...