Clone Trooper Captain Rex, 501st Legion (Phase 1) - Dark Bluish Gray Rangefinder, Pauldron, and Kama, Large Eyes : Minifigure sw0314 | BrickLink
BrickLink - Part 11217pb02 : LEGO Minifigure, Headgear Helmet SW Clone Trooper (Phase 2) with Captain Rex Blue and Tan Markings and Dark Bluish Gray Tally Marks Pattern [Minifigure, Headgear] - BrickLink Reference Catalog