The grille emblems are a pain to find (and $$$).
But, if you aren't going for a 100% concours replacement, there was a later Expedition rear hatch emblem that will fit and look decent:
https://forum.garysgaragemahal.com/Deer-killed-my-Bullnose-Mangled-the-front-tp103398p104646.htmlIt's engineering number 2L14-7843156-AA, often described in eBay listings as "7" Ford Emblem"
I think I paid $17 for that one in lightly used condition? Beats $150 or so (what the actual part used to go for at least).
1984 F150: 300 L6, AOD, RWD. EEC IV / TFI, Feedback Carter YFA Carb. Stock everything but radio (for now).