So this lot:
https://www.ebay.com/itm//192436422371
claims to be an -11/04, but there are no boards in it. However... the first
backplane (of two) is a DD11-P, which is the backplane for the /34 as well as
the /04. And there are /34 CPU boards available on eBait at the moment. Pick
up a pair (the seller will probably negotiate on price), add an M9301/M9312,
and a DL11 or DL11-W (also available), and away you go.
Noel