Hello. I need help. I'd like to know how many types of berets there are. I have four different ones. One with the skulls, and 3 with the O, which are different the three. 1 does not have flexfit band. The other two if they wear flexfit band, but are two different fabrics

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Will this help?

There were all the newer ones, from the japanese Golf Skull collection.
Here's one

Nice collection of berets, the only one I think your missing is the X-metal insignia one, the original three they made had a strap, the skull, x-metal, and icon, the flexfit band were all 2nd and 3rd gen with the icon and maybe the skull