https://abc6onyourside.com/news/nat...sps-sends-and-sells-your-lost-mail-for-profit... the Mail Recovery Center (MRC).
Think of the MRC as the lost and found of the U.S. Postal Service (USPS).
It has a staff whose job it is to open packages and try to track down the owners. Anytime they don't find the rightful owner, within a few months, the USPS gets to auction it off and pocket the profits.
The USPS works with a private company called GovDeals to manage the auctions, which are conducted online. Online photos show large boxes stuffed with just about everything you can imagine.
In fiscal year 2014, of the "88 million items" that came through the door, a mere "2.5 million" made it home. That's less than 3%.
The postal service profited $11 million from what was sold off that year.
Apparently, you can find some shiny there if you look around: