Bought so callled worthy Mandela coins

I think.it.was like.2010.bought 3 of the coins.R25 000.was told in 5 years it can.be R250000 worth and.they tell on.their website hoe much they sold these coins for.when I wanted to sell mine.2'years ago,I was told they will put it on mandate and get a buyer.......I am.still.waiting.all their nice stories.of.how wonderful Mandela was and.what impact it will have.on.these coins.......zero if you ask.me.