Bobelock
Bobelock Arrow fiberglass mandolin case. $150.
Very high-quality case from Bobelock, known mostly for its violin cases. White fiberglass shell, triangular shape, fits a standard F-style mandolin and many A-style ones. Includes case blanket, hygrometer, and external zip-on cover with shoulder strap. It's had some use and is festooned with stickers. New, these retail for $239.90. Get it here for $150. 
     See more photos, or for more information. $150 plus shipping. 48-hour approval period.