Mel has it with the Savoia-Marchetti S62.
To be precise it is the S62p (public version).
Apparently Italian build and flown to America for marketing by AAC.
When Treadigraph mentioned the AAC correctly I thought the quest would be solved quite soon.
Then I overlooked that there was a registration on my second photo.
Mel can you post the vague photo you have found? And the photo of the sea dragon (or seahorse?) on the SM80?
Open House called