I've been looking for one of these boards for years and haven't seen any around.
Got the WildCard 1 and 2, but the Wildcard Plus is a relative unobtanium item.
If anyone on this forum has one of these, let's talk.
Most of you don't know me, but I'm the one who reverse engineered the EDD Plus card.
There are other Apple ][ cards I've done but haven't published yet.