As you said, it is a good price. And it doesn't seem to have the stress cracks that are frequently found. However, it does not "fit all Bullnose style Broncos and F Series Ford Full size Pickups from 1980 - 1986". That's due to two reasons. First, the radiators and radiator supports changed in '85. I believe that is an 85/86 support, but could be wrong.
Second, within each year range there were three different radiator supports, as shown below:
Gary, AKA "Gary fellow":
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Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI