Victorinox the makers of the "Original" Swiss Army Knife commemorated 100 years at least 3 times in 1984, 1991 and 1997.
1984 - I have this Knife (book
)
I don't have a commemorative SAK - does anyone know if there was one?
1991 & detail of logo
1997 Standard/Spartan
1997 SwissChamp
So what were Victorinox celebrating?
Well 1884 was when Victorinox the company was founded.
and this extract from the 100 year book above should explain the other 2 100 years:
1891 was the first SAK "Soldiers'" knife
1897 was the first SAK "Officiers'" knife
1984 - I have this Knife (book


I don't have a commemorative SAK - does anyone know if there was one?
1991 & detail of logo


1997 Standard/Spartan

1997 SwissChamp

So what were Victorinox celebrating?
Well 1884 was when Victorinox the company was founded.
and this extract from the 100 year book above should explain the other 2 100 years:


1891 was the first SAK "Soldiers'" knife
1897 was the first SAK "Officiers'" knife