[Modeldad]

Originally Posted by Stig Jarlevik

Steve is quite correct
The photo depicts the PZL 11/III in the 1932 Cleveland Air Races.
Most probably it is the pilot Colonel Jerzy Kossowski in front.

However I am much more delighted over the find of the solitary Douglas Dolphin, here http://www.ebay.de/itm/ws/eBayISAPI....m=370696165201
I even stick out my neck and say this is F-ANJT stuck at Le Bourget...

Cheers
Stig

Would it have been this one?

Model 113 - One aircraft named Jade Blanc V for French clothing manufacturer Armand Esders (who also owned a Bugatti Royale) similar to the RD-4, powered by 2x 550 hp (410 kW) Pratt & Whitney R-1340-S1H1 Wasp engines.

http://cgi.ebay.com.au/ws/eBayISAPI....m=400310829218

http://www.ebay.com.au/itm/400310829...orig_cvip=true

http://www.flickr.com/photos/crin_bl...40/2046796390/