
Asr al-Ma'mun history book ad, al-Kashkul 1928
American University in Cairo, Rare Books and Special Collections Library. al-Kashkul. RBSCL believes this item is in the public domain.
The pattern
This still is filed under Scarcity close.
Define
A real limit (time, units, seats, eligibility) that makes delay cost something.
Mechanism
Loss of option. The close is the disappearing chance, not a louder adjective. Fake scarcity is a different and worse pattern.
Verdict
The limit is true
Why it works
The offer is aimed at two named groups, students and government employees, with a 20 piastre cut on the full price that ends at a stated date, so the right reader has a reason to buy this month. The long description of volumes, pages and figures covered, printed by the state press, makes the price feel like the cost of a reference work, not a novel.
The big idea
A three-volume reference billed as the largest historical and literary encyclopedia of the brightest Islamic age, with a discount for students and employees that ends in March.
The offer
Asr al-Ma'mun in three volumes, about 1200 pages, for 120 piastres, with 20 piastres off for students and employees until the end of March 1928. Sold at al-Maktaba al-Tijariya, al-Ma'arif, al-Hilal and major bookshops.
The proof
Written by Dr Ahmad Farid Rifa'i, inspector at the Ministry of the Interior; printed by the Amiri Press at Dar al-Kutub; includes rare manuscript letters never published before.
Lines from the ad
عصر المأمونThe Age of al-Ma'mun
ثمنه مائة وعشرون قرشاIts price is one hundred and twenty piastres
مع خصم عشرين قرشا للطلبة والموظفين لآخر مارس سنة ١٩٢٨With twenty piastres off for students and employees until the end of March 1928
Steal this when
Use it when a costly educational product can offer a dated discount to a clearly defined group such as students or public employees.
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