I find your offer to good to pass. So I wrote Steve about details for tree transfer costs. It is $ 35,-- per certificate. But, he only wants to deal with whole certificates. So if you can let me know what your individual certificates state, I am willing to buy, i.e. in the limit of my savings.
You can either reply here, or on my personal e-mail: j.veenstra@cnci.u-bordeaux1.fr