Amazon Warehouse Deals via Amazon offers Prime members the used T-fal 6.3-Quart Stainless Steel Pressure Cooker, model no. P25107, for $16.63 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $10.52.) That's $29 under our January mention of a new one and $48 under the lowest total price we could find for a new one elsewhere. It features an over pressure gasket release window, pressure indicator, variable control operating valve, and a steam basket and stand.
No warranty information is provided.