Sigma Ceramics produced a line of ceramic bathroom accessories in the late 70s and early 80s, featuring Miss Piggy and Kermit the Frog.
Miss Piggy toothbrush holder
Miss Piggy handheld mirror, surrounded by Kermit faces. Mirror-side is all white and has relief images of Kermit.
Miss Piggy on a tissue box decorated with Kermit faces