I looked at these a few years ago and prices were literally all over the place. There are Kleppers on Craigslist and Ebay constantly. There's a US company called Long Haul started by a former Klepper repair/rep guy who can make a skin if you are only able to find a frame.

The folding kayaks forum will be able to provide you with more info.

: I have a line on a used Klepper kayak. I don't know the details yet
: but I am pretty sure it is an older boat. Never seen one in
: person and just wondering what these sell for? Yes, I know
: condition, size, model ect. are important..... I just don't know
: anything yet. This is not that close to me so I am trying to get
: some idea of what they are worth so I can decide if I want to
: pursue this.

: Thanks in advance.
: Jeff