Okay, so I’ve been seeing a lot of buzz online about signed baseballs, especially those by legends like Willie Mays. I got curious, so I decided to dig in and see what one of these things might actually be worth. Here’s what I found out through my little investigation:
My Deep Dive into Willie Mays Signed Baseball Values
First, I started by browsing some online auction sites. I figured that’s where these kinds of collectibles would pop up most often. I wanted to see what people were actually paying for them, not just what people were asking.
I looked at completed auctions, you know, the ones that had actually ended with a buyer. That seemed like the best way to get a real sense of the market. I typed “Willie Mays signed baseball” into the search bar, and a bunch of listings appeared.

I started to notice a pattern. Most of the baseballs, the ones that were just signed by Mays alone, seemed to be going for somewhere between $125 and $200. That seemed to be the sweet spot.
- Ball one: Went for $145. Looked pretty clean.
- Ball two: Sold for $180. Had a certificate of authenticity.
- Ball three: Only $125. The signature was a little faded.
I realized quickly that the condition of the ball and the signature really mattered. A faded signature or a scuffed-up ball definitely brought the price down. And, having some kind of proof that the signature was real, like a certificate, seemed to push the price up.
I also checked out a few sports memorabilia websites. I wanted to see if the prices there matched what I was seeing on the auction sites. And yeah, they were pretty much in the same ballpark (pun intended!).
So, after spending a good chunk of time sifting through all this info, I felt like I had a pretty solid handle on the value. A basic Willie Mays signed baseball is probably gonna run you somewhere in that $125 to $200 range, depending on how good it looks and if it comes with proof of authenticity.