Be aware that FoMoCo replaced the original 1957/58 emblem: B7C-16637-A with the 1960 F100/1100 emblem: C0TB-16607-B that's 7" wide. There's another 1960 F100/600 emblem: C0TB-16607-A that's 6 3/8" wide.
Link in post 2 lists C0TB-16607-B emblem = WESLEY OBSOLETE PARTS in Liberty KY has ONE = 606-787-5293. This is it, no one else has any.
No Ford Dealer or obsolete parts vendor has the original B7C-16637-A emblem.