Hello,
Another couple of Curtiss aircraft currently on ebay:
Curtiss H-16 A-853
https://www.ebay.co.uk/itm/186194922...IAAOSwe0ZlbmbO
Also Curtiss H-16 A-770 & A-781
https://www.ebay.com/itm/22587723299...MAAOSwehVlWP3t
But the bidding is closed on this one,so I guess the image may not be around much longer.
Curtiss N-9 A-369
https://www.ebay.co.uk/itm/185885007...0AAOSwwRxkVmS3
Regards,
Clint