Miss Piggy and Kermit with Stamps
They are now for sell at the Student Stores and other fine stamp outlets.
You get 11 37 cent stamps for $4.07.

Fozzie Bear Kermit the Frog
Miss Piggy Sam the Eagle
Swedish Chef Statler and Waldorf
Dr Benson Honeydew and Beaker Animal
Gonzo and Camille Rowlf

and the eleventh is Jim Henson himself.