Here we go, updated and well. Some prices lowered and new stuff added!

Please contact me through PM when interested, the more you buy the better the price!
I am always open for offers as long as they are reasonable.
The prices exclude shippingcosts, pics can be found in the link mentioned in bottom of the post.

FAMICOM Testcart, very hard to obtain, hardly seen. $225 OBO
PS prototypes/ samples, hardly seen and in good state! $ 30 each OBO
DC prototype/ sample, hard to obtain GDR. $30 OBO
GBC 87 in 1 multicart, hardly seen. $45 OBO
SNES Not for Resale Cart, ment for display. $25 OBO
DS complete games, newstate games. $20 each OBO
SNES white labels, dunno the exact story about these. $25 OBO

Pictures: http://img.villagephotos.com/p/2009-11/1349008/0