Unfortunately he did not, likely because of the position he worked at the company. He worked maintenance rather than a desk clerk, so there is a handful of other USPS knickknacks and stuff scattered around the house and in closets from when he worked there. There is a lot of electrical switches and outlets installed in my house with industrial grade parts mysteriously installed that he pocketed when he had to change them out, and just used them to fix up the house when needed. Have an ancient 1/4 horsepower floor fan and a snow shovel as well he brought home too when they were deemed garbage among other things.
My mother is a bit of a hoarder, and she has all kinds of letters and postcards she saved from her older sons from the 70s and 80s that still have stamps on them but I don't want to bother with trying to get those stamps off, they are common I am sure and I can get them separately on
ebay if I want to. I just recently found a few modern stamps from 5-8 years ago forgotten in a desk drawer, I added those to my new collection. Also I order stuff on
ebay a lot, a few times a year someone uses vintage stamps on the packages they send me. I wish I would have saved the rest of the stamps I got in the past in 2009 and 2010 in the mail but I wasn't a collector then.
I ordered a cellphone on
ebay once in 2010, and someone used an entire sheet of NASA space shuttle stamps - including the artwork for the booklet - to mail the envelope. They got thrown out sadly as I didn't know any better. I did just recently find some stamps on some cardboard from a package I ordered from Russia a few years back, saved them before tossing the box out. They are the kremlin series or something like that, I forgot.
But yeah I am excited to see what kind of stamps are in the box I ordered, and I think I will have a good time in this hobby. Don't worry, I am not one of those people that pop up here, ask for value, then leave. I found out years ago stamps are worthless! I don't care about having the rarest either, so I am in it just to have a good time and admire them.

edit: forgot to mention I ordered a random shoebox heaped with stamps off
ebay for $15, that I think is a good starter pack for me to keep me busy for awhile and learning as well.