Mine has just been sitting at USPS in Kent, WA since the 4th. Not sure what's going on with that.
It's just USPS's ****ty tracking. They either haven't scanned it in a while or haven't uploaded the tracking data to the web site. If you call them they can probably give you a better idea where it is.
It'll show up soon, and then a day or two later the tracking will finally update and show DELIVERED. Like, no ****, thanks for nothing USPS. Happens to me all the time.
On a lighter note... Received my Series II caps on Saturday. They are amazing. I already have a few of them on my Dox and looking for other places to use them.