several folks asked if I could remember any other stories with both Gladstone and Magica, and it took me a while to recall the title but this is the earliest one I can think of with them both interacting: Taking a Gander by Egmont, D94232

duck comicsGladstone GanderMagica De SpellScrooge McDuckDonald Duckalso a cute example of Gladstone’s luck working purely for someone else’s benefit (Scrooge in this case)got to love the hideous fishing shirt too