This is a vintage Leather London Fog medium size black backpack with stainless steel hardware.  It has adjustable straps and 1 front and 2 outer pockets.  It has a drawstring closure. Dimensions:  16" tall x 15" wide x 7" deep.  See Pictures of measurements.  weight is 2 pounds.  
This is a classic all occasion backpack.  It has never been used.  No spots on leather and clean on the inside. 
I do have 2 of these but the price is for only 1 backpack.  Please let me know if you have any questions.