Let it go. For all you know it sat in a pile and he opened it without looking and then dropped it off when he realized it was yours.
5 Answers · Politics & Government · 30/07/2018
File IRS form 3911 to start trace.
3 Answers · Business & Finance · 19/11/2020
Perhaps inform the buyer via email that he or she needs to go pick up the parcel from the post...
1 Answers · Business & Finance · 22/09/2013