Selling a High Quality, but damaged Wheelset

Hi all,

Im looking to sell my Carbon Wheelset. These were purchased when i bought my Trigon bike second hand. They are carbon rims, 50mm deep with flat aero spokes.

The front wheel runs true and is in perfect (or as good as condition) and can be seen on my TT fixed bike.

The rear carbon rim has started cracking and i have been advised to get this rebuilt.

I have spoken to the wheel builder at trigon and its going to be around £350 per wheel to rebuild! As im not happy at paying this i would like to sell them. However, what is the best way? They retailed for £900 new and the front is mint, but the rear is damaged.
Hubs, spokes and cassette holder are in top condition though.

Any rough estimate on sale price? Front comes with conti GP4000 tub in good condition.

so the rim is fucked and seriously dangerous, so you want to sell it? are you a mental?