Sorry S'land, quite often mine are easy and I thought by not saying it was easy I was being fair
. This aircraft is not an Arado or a Rumpler. As this bird certainly was rare I will give you a couple of clues. The aircraft was built as a 2 seat reconnaissance floatplane. The name of the manufacturer had the same name as the friendly apparition which was the 'star' of an animated cartoon series.
Mel