I have a 1600s Turkish rebel sword and scabbard with a pommel carved into a rooster head. I picked it up at a curio shop that was closing a few years ago and while I did some basic dating on it to make sure it's not a reproduction, I really donot know much about it.
I have several fossils that are perticularly unique, but I've never seen that kind of thing on the show, so I don't know if it would be worth it.
An antique shop had a four barrel pepperbox revolver from the 1860s that was sold as a non functioning novelty, and I cleaned it up and actually got it working again. I'd be interested if it has any value higher that the 150 it cost me.
Last option is a buffet, library table, dresser, and side table my great great grandparents got as a wedding gift. They're made of tiger oak, stained in pitch and very heavy. They were locally made, and I've bumped into several pieces that are very similar, but they're always falling apart. The set I have has never been out of use, and never needed repairs. The mirror on the buffet still has it's original silver. The manufacturing stamp on the back says the guys name, the city, and 1904.
The two packs of Pokémon cards somewhere deep in the house. Otherwise maybe some of those weird glass chickens that roost inside the oven hood cabinet and stare down at me.
I have some 19th century railroad stock certificates from railroads that have long since ceased to exist through many, many mergers and acquisitions. I'll post a picture if I remember when I get to the computer
My wife's crockery cabinet. We bought it via an auction website from someone who swore it was brand-new. Guess he didn't realise if we knew it was built in the 1940s we would have wanted it more, not less.
My great uncle left a load of masonic stuff but my dad returned it to his lodge before I could have a rummage through it.
My parents are religious and took a dim view of it.
Some of that stuff was pretty cool - it was a part of my great uncles life I would have loved to asked him about and I didn't find out about it until he passed. Sad stuff.