LEGO Yellow Minifigure Head with Smile, Pupils and Eyebrows (Safety Stud) (15123 / 50181) | Brick Owl - LEGO Marketplace
BrickLink - Part 3626cpb0121 : LEGO Minifigure, Head Brown Eyebrows, Thin Grin, Black Eyes with White Pupils Pattern - Hollow Stud [Minifigure, Head] - BrickLink Reference Catalog