1869: Prevost Essay for proposed 20 Paras black postal stationery envelope, a used example mailed to Angelo de Tedesco in Paris, who is said to have commissioned these Essays modelled on those of Negroni, struck on front with ALEXANDRIE / EGYPTE cds (Dec 19 1869) and charged with handstruck '6' (décimes) due marking on arrival in Paris (Dec 26). Flap inside with manuscript notation 'Essais proposé au Gouvernment Egyptien au Caire le 15 .12.1869'. This amazing essay was send through the post just 9 days after being proposed to the Egyptian gouvernment. IT IS THE ONLY KNOWN EXAMPLE OF AN ESSAY OF EGYPT´S CLASSIC PERIOD POSTALLY USED AND AT THE SAME TIME THE FIRST EVER USED "POSTAL STATIONERY" OF EGYPT! Nile Post E41b var. (Image)