LEGO Yellow Minifigure Head with Brown Eyebrows and Lopsided Smile and Black Dimple (Safety Stud) (14807 / 19546)

LEGO Yellow Minifigure Head with Brown Eyebrows and Lopsided Smile and Black Dimple (Safety Stud) has been used in at least 105 LEGO sets over the past 17 years, since it was first used in 2007. You can also find this part in at least 2 other colors. It has the design IDs 14807, 19546, 59716, 93355 which can usually be found molded into the bottom of the part.