That is a beautiful set! You have a real treasure there!

These are different hat badges. Are they USN hat badges from WWII? What is the difference between these two hat badges?

By the way the cord appears to be silver and black.  I assume for Warrant Officer.  

I need to check his online site again. It's been a while

As Mario mentioned 1733 belonged to Bieg, Frederick C., Commander, USN, died October 14, 1909.   He is listed in the Taps section of a reprint of: Historical sketch, constitution, and register of the Military order of the Carabao together with songs that have been sung at "wallows" in various places.    The book lists 1,800+ numbers in alphabetical order.   Bill

Definitely broke the mold after Hayes. He also doesn’t like it when someone ask how much something worth.😉🇺🇸

He's got a crazy collection and an awesome guy. Bought plenty from his catalog over the years. FYI to Hayes newcomers...don't mention politics on the phone if you don't want an earful🤣. He definitely will have a thought or two, and you best have VERY thick skin. Man I wish I could get up to Montana to visit!

Not a 20s-30s on, so perhaps Occupation of Japan, lets see what others say.

Maybe because Alameda used to be a "Navy Town."

Here is a #6 and a couple 7s that sold on eBay in the past few years.   There are more than 3 people trying to sell flags for over $2K no size 7 has sold for that much in 3 years.  The prices shown are actually sold prices from the past 3 years.