LEGO Medium Dark Flesh Security Guard Plain Head (Recessed Solid Stud) (3626 / 18423)

LEGO Medium Dark Flesh Security Guard Plain Head (Recessed Solid Stud) has been used in at least 3 LEGO sets over the past 9 years, since it was first used in 2015. You can also find this part in at least 2 other colors. It has a design ID of 18423 which can usually be found molded into the bottom of the part.