Indeed, it is an early variant of the Sikorsky VS-300. The machine was built and flown in the United States.
There were a few variants of the VS-300 created, but all were piloted by the fedora wearing Igor Sikorsky.
On floats (or are those early airbags?
Or wheels.
And finally the legend of that Sikorsky
<a href="http://www.sikorskyarchives.com/fedora.html" target="_blank">fedora.</a>
Sikorsky have the simulator used to experiment on controlling this device and bring it down to the HAI most years, so you can fly it yourself.
HAI is in Orlando this February, maybe time for a cheap trip to see all those helicopters, er; I mean family holiday in the sun!