Thought I'd note for Canadians wanting to track the medallion shipment, We are sailing on Feb 25th and just received the email from Princess that the Medallions were shipped on Feb 1st. Of course the USPS tracking number was included and when you click on it you get...
However if you take that same tracking number and go to Canada Posts web site and enter it in, a result is returned. As least for me!
Good-luck