Not sure what these are worth but he wants a lot for them. $30 grand for the 56 and $25k for the 61. That 61 looks pretty beat up, but if it's actually a factory D500 crossram convertible, I'd be willing to bet you could count the surviving examples of those on one hand. 

https://dallas.craigslist.org/ndf/cto/d/converibles-reducing/6717535647.html