It's not unlkely that the craftsmanship of the gold objects (particularly that urn) is Greek.
With the opening up of so many areas to archeological exploration and the new technology like lidar, this may be the golden age of discovery all over the world of finds of major importance. Looking at the satellite and lidar pictures of Egypt and Central America, the undiscovered remains of large sites with pyramids and cities are amazing.
And more laymen are catching the bug and actually finding stuff on Sattelite photos. The 12 y.o. kid that predicted a major site in Central America based on astronomical positioning (or whatever)is off the charts.
There was more travel to different areas in ancient times than previously thought. I think we will see evidence of cross-fertilization of cultures more and more with the opening up of areas once behind the Iron Curtain and the Bamboo Curtain.