I have never seen one with the extra chrome under the headlights like that.
The grille surround? That was the '54 GMC front end design, used on at least 1/2 - 2-ton trucks. Standard trim trucks had it painted white with a chrome emblem, DeLuxe trucks got the chrome with painted emblem. The chrome grille was also available as an option without the whole DeLuxe package, if memory serves.
