Season 23 of the PBS hit returns with an all-new look tonight at 8/7C on PBS! Can't wait. Get a sneak peek of a featured appraisal now...

This map was purchased for under $20 at a secondhand store. Why'd she get it?

Fair enough. We always say: buy what you love!

"This is one of the most famous world maps there is...that means there are lots and lots and lots of reproductions of it."

So is it authentic?

No need to cry –– there's only a few hours left until you can find out!

Don't forget to tune in to PBS tonight at 8/7C for more jaw-dropping finds!