Beach Audio via Rakuten offers the refurbished Garmin nüvi 52LM 5" Portable GPS Navigation System with Lifetime Maps, model no. 010-01115-01, for $68.29 plus $7.85 for shipping. (You may need to choose this vendor under "More Buying Options" on the right side of the page.) That's $9 below our mention of a new GPS from two weeks ago, and aside from the mention below, that's the lowest total price we could find for a refurb by $2. Features include a 5" 480x272 touchscreen LCD, lifetime map updates, voice navigation, lane assist, microSD card slot, and USB. No warranty information is provided.
A close price: DrivenGPS via eBay sells this refurb for $76.50 with free shipping.