I don't have any sets that use that chassis, but if no one else needs it, sure I'll take it.
I brought the TV chassis inside for a closer look. Some of the power resistors and one or two caps have been replaced, but the rest looks stock.
Nice, original warning labels.
Flyback appears to be OK.
RCA CRT had good emissions within seconds and the life test is rock solid

Quite possibly the best used 10BP4 I've come across so far.
Assuming I didn't pick up the hantavirus in that basement, I'd say it was worthwhile