Question on Victorinox Climbers

[Fisting_Chili]

Do they all have that hook on the back layer?  I have a bunch that don't....?  Thanks!

[GraysonK]

Do they all have that hook on the back layer?  I have a bunch that don't....?  Thanks!

Sounds like this:
http://www.smartknives.com/Victorinox-Knives/Victorinox-Climber-Orig.htm

How many is a bunch???

[Sazabi]

Do they all have that hook on the back layer?  I have a bunch that don't....?  Thanks!

If the Climber was made pre-1991, it'll lack the backside hook.

[GraysonK]

http://www.smartknives.com/Victorinox-Knives/Victorinox-Climber-1988.htm

Or this.

[Fisting_Chili]

http://www.smartknives.com/Victorinox-Knives/Victorinox-Climber-1988.htm

Or this.

Hmmm...well, I have
9 without the hook but with the grooved corkscrew that are red. 
1 without the hook but with the grooved corkscrew that is black.
2 without the hook, plain corkscrew - red
1 without the hook, plain corkscrew - blue saphire see through

3 with back hook - red
2 with back hook - black.

and one alumnus that I'm gonna pop on ebay!  woot!

[Fisting_Chili]

Ok, before I post a pic on SAKWiki, since there is not one, I want to make sure....is this an alumnus?