I believe in was the year 1965, all knifes imported into the US have to have the country of origin stamped on one blade. Most of the larger Victorinox knifes have "Officier Suisse" stamped on the main blade as does my Swiss Champ. A small point of humor, Boker, (Tree Brand), of Germany, the orginial maker of the WW1 issue dagger to the troops, reissued a semi collectable WW1 style dagger a few years ago complete with the leather sheath. They stamped the blade, "Deutschland!"