Well if OTB had it in their cutting sale and sold out it will be out in the general public sooner rather than later. OTB sells well rooted potted trees in the summer. Perhaps you can get a tree then. You can always email Bill and ask him what he has available.
AUGUSTA PURPLE :TRY "FIGTATOR" that is where i got mine ! Will take a look at mine ,but think i already removed all the cuttings ?went and looked no cuttings left ,one 6" branch left on each of two frankinfig in ground tree grafts .contact me next jan if still on the hunt ?