TUNIS — It could be the Middle East’s most opulent yard sale.

Just in time for Christmas, Tunisia’s Finance Ministry has organized a public auction of cars, jewels, carpets and trinkets that once belonged to the deposed president, Zine el-Abidine Ben Ali, the first autocrat to fall in the Arab Spring revolution incubated here two years ago.

The monthlong sale and exhibition of 12,000 items begins Saturday at the Cleopatra Hotel, a sumptuous property in a northern suburb of Tunis.

For the price of a 30-dinar ticket, about $20, curious Tunisians can gape freely at the former president’s collection of rare clocks, rococo-themed picture frames and gold-plated falcons. Those in a shopping spirit can even take home one of the first lady’s treadmills or handbags.

Advertisements for the event feature a village of mud-brick houses lighted by one of the former president’s sparkling chandeliers and a poster of a smiling schoolboy whose image is Photoshopped into the back seat of Mr. Ben Ali’s Bentley.