GUEST: I brought in this petroleum sign that hung over my grandfather's country store many years ago.

Probably the late '20s, early '30s, as best I can find out.

He had a small country store in a rural community in Van Zandt County, Texas.

I can remember my folks using it to play dominoes on.

They rested it on their knees and played dominoes, and then once I got it under my control, so to speak, well, I've tried to take good care of it since then.

APPRAISER: It's a double-sided porcelain advertising sign for the Magnolia Petroleum Company.

They were established originally in 1911 in Texas.

By 1925, Standard Oil of New York had begun the process to-to purchase the company.

We can reasonably date this sign somewhere between 1911 and 1935.

It's all completely original.

Obviously they've got the, the magnolia blossom, it's a gorgeous piece in the center, surrounded by this red and this field of-of blue, that just really makes the sign pop.

And what I like to think about is, you're driving down the country road, it's just a piece that would have caught your eye.

It's got the original mounting bracket where it would have hung, and then the surface on it remains in a really good state of preservation.

It's got a couple little chips.

But compared to most signs that we see of this nature come up, I'd say it's in really good condition.

Probably an eight out of ten, something like that.

So with signs, a lot of times what we'll see is the sign might be in good condition on one side...

GUEST: Right.

APPRAISER: ...the other side is really poor...

GUEST: Yeah.

APPRAISER: ...and that can really affect value.

So what I'm going to do is turn it over here...

GUEST: Okay.

APPRAISER: ...so you can see that this sign... on both sides...still just really pops and has all the good color.

I think this side is even a little bit better than, than the other side, really.

If this sign came up for auction today, I think, conservatively, we'd place an estimate of $2,000 to $3,000.

GUEST: Okay, that's good.

My grandfather would be proud to know that.

APPRAISER: Mint condition signs, um, identical to this one have sold for as much as $9,000.

And you're saying at one point somebody had offered you, how much was it?

GUEST: $200.

APPRAISER: $200.

So not a, not a bad increase there at all.