Thanks for the advice.
It's the '48 style, and it's been out in a pasture for 50 or more years.
Other than total surface rust, it looks pretty good. A combination of sediment buildup of a half century, and settling in of flat tires makes it look like the running boards are on the ground. It's tough to tell from the photos. I'm wondering if truck running boards will work on a panel. Then again they may be fine. The only thing missing on the exterior, seems to be the lens on the license plate light. The hood badge is askew, but still present.
I was hoping the other guy who has already looked at it is a stovebolter, and might tell me what convinced him to pass on it. I'll report back after I go look at it and hopefully know a little more.