I think I qualify as a PWE user as well as willing to receive. These are just those in less than a year, Having been a proponent of shipping small trades via PWE for economical purposes, happy to see the methods to safely ship via PWE are being passed along.
And yes, seek out the postal worker who understands the rules. This applies to both sides of the border.
Bruno
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Check my Profile page to see my 2023 Goals and my Lists of sets near completion (5 cards or less) or sets getting close (less than 100 cards missing and 75% complete).
https://www.tcdb.com/Forum.cfm/Page/B/ID/0/?MODE=VIEW&ThreadID=25745&C=0