Vintage US Forest Service FSS Pack Sack Canvas and Leather USFS Backpack 

Olive Green with natural full grain leather reinforcements and straps

Unmarked for maker, era

Single compartment interior with one large pouch

Adjustable shoulder straps

Double buckle closure

Interior tie

Measures about 15.5"w x 15" t x 7" d

Normal fade, only one interior strap with small cuts . Leather has wear, no tearing. No rust/patina on the rivets.