Gary perhaps it was another pocillapora in your system. I had a number of poci spawns in two of the tanks and noticed my first "grafted" acro months later. Never really made the conection and at this point look at it only as a possibility. The acro that was really infected with it was sold to a local hobbyist who I don't see very much.
I wouldn't mind posting the pictures here, but have been warned and asked not to post any pictures. I stay away from sharing any of my fish, coral or saltwater aquarium related photos. I think there are a couple in my profile album.