Hello,
Currently on ebay is a photo album containing many wwi related items at:
https://www.ebay.com/itm/16-WWI-POST...EAAOSwFD5fPYhY
Many of the items are not aircraft related , but there are photos of Curtiss N-8 serial No.60 and Curtiss JN-4 serial No.134.
Regards,
Clint