Old Mono Skis, whats their value?

I’ve found some of my parents old mono WaterSkis and we’re in a debate about how much they’re worth. Someone is guessing £50 whilst the other end is £500. Apparently they were bought in 2007

I’ve found some of my parents old mono WaterSkis and we’re in a debate about how much they’re worth. Someone is guessing £50 whilst the other end is £500. Apparently they were bought in 2007