Did Clarence accomplish wings or a halo in its a wonderful life?

In "It's a Wonderful Life," Clarence, the angel, does not accomplish earning wings or a halo by the end of the film. Instead, he is sent to help George Bailey realize the value of his life. The audience learns that Clarence is still an apprentice angel, and his true reward comes from helping George. The film suggests that his mission was successful, but the specific moment of earning wings is not explicitly shown.