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.

• 65886pr0001 Tile Special 2 x 3 with 2 Clips with Bowser Head Print Mold of this part
• 30350b Tile Special 2 x 3 with 2 Clips [Thick Open O Clips] this part is a print of it