Just purchased and used only a few times.  
This is the Tumi Indra Stanton grey backpack.  Medium style backpack but big enough 15 inch laptop.
MSRP $700 with tax.

  • Imported
  • fabric lining
  • EXTERNAL FEATURES: Double-zip entry to main compartment; zip entry to laptop compartment; zip entry to front U-zip pocket; quick-access phone pocket with magnetic snap; 2 side slip pockets with magnetic snap; leather handles; padded adjustable straps; monogrammable detachable leather dangler/tassel key ring; add-a-bag sleeve
  • INTERNAL FEATURES: Fits laptop up to 15”; 2 media pockets; zip velvet-lined jewelry pocket; zip pocket with TUMI tracer; card pocket; pen pocket; key leash
  • MATERIALS: Textured Fabric
  • DIMENSIONS: Dimensions in inches 17" X 12" X 5"; weight 3.2 lbs