I recently picked up a pewter N3N hat pin. When it arrived it turned out to be a bigger than I had visualized (I was expecting something dime-sized):
It is well done, with nice, dark style lines and a lot of relief (depth). It’s hard with a 2-D photo to show the relief well, but is has a very nice 3-D appearance:
Less than fifteen bucks, shipping included at this link:
When the listing expires, you can search for the ebay seller “semperfimac.net”
The N3N Blog - it's "Not a Stearman" 