Am I tripping or were the drugs delivered in a USPS package?

I had ordered some drugs from a seller on a digital marketplace and was awaiting the arrival of the package. I received a text message around 10 last night telling me it had been delivered. I walked down to the mailbox and found a USPS package with my name on it in all caps. <br><br>Odd. I didn’t order anything. I opened it to find 2 grams of pressed xanax. Luckily for me, it was the correct amount, the correct pills, and it was from a seller I’ve ordered from previously. I’m still waiting for the tracking info so I can use it to open a case with USPS if the person never receives their pills and contacts the seller. <br><br>With that being said, has anyone ever received an anonymous USPS package from an online seller? I’m only asking because I don’t do a lot of online ordering of drugs. I’m usually a cash for goods guy.<br><br>Tldr: did the USPS deliver drugs?