Surfing Waves

hello,
I have a Windsurf and I want to sell it but I don't know How much I can sell it!
Can I have a advices?

my grand father buy it in 1980 and it's very strange because I don't find this model in internet!

thanks you

Wow, wind surfer. Well, hate to tell you, but old wind surfers are going for as little as $100 in San Diego, unless you have a new one there is not much as far as price goes, it's kind of a dying sport in the states. List in on Craigslist or Ebay and good luck, but expect it to go cheap.