Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 3626bpr0696 Minifig Head Explorer, Monocle on Chain and Bushy Dark Bluish Gray Eyebrows and Moustache Print [Blocked Open Stud] this part is a mold of it
• 3626c Minifig Head [Plain] [Hollow Stud] this part is a print of it