All true! But then Wolfe created illustrations published by both the Serenity RPG and Battlestar Gallactica RPG lines, designing new ships to fit into each setting. These similar ones may have been proposed illustrations for those books that Magerite Weis Games opted not to use. Or he may simply have been influenced by them to produce something similar. God knows I look at some the work here on this website and want to rush out and do something similar!