1987 Peugeot Cannon Ball Express -- size 18.5in, triple-butted TIG-welded chromoly, $259 @ Asheville NC area, CraigsList.
Looks like a pretty unmolested '87 example. Made in 1987-1988 only. Top-of-the-line ATB model in 1987.
Rare 1987 top of the line ATB, originally $995. Excellent condition well tuned & dialed in.
Frame internally coated for rust prevention. Spoke nipples loobed. Bottom bracket, headset, and wheelbearing repack. New cables and housing. Original components to the Deore XT brake shoes. Tires, toobs replaced. Size 18, Nitto riser aluminum handlebars, full Deore XT first generation components including pedals, Biopace chainrings on Deore XT crank, original Super Hard Anodized wheels well trued with sealed bearings.
Magnificent bicycle. Very fast, strong, & well crafted.

Link: Specs from 1987 Peugeot catalog for Cannon Ball Express. 27.5 lbs factory.