This antique Boker USA end pen folding pocket knife is a true gem for collectors. The knife features a carbon steel blade type with a bone handle material. It has two blades and is an original piece, making it a valuable addition to any collection. The knife was manufactured in the United States and has a vintage feel to it, adding to its appeal. This pocketknife is perfect for those who are into factory-manufactured collectibles and is sure to be a standout piece in any collection.some surface rust.  Free shipping in the continental us.