The complete set in detail

F3979B
Yv. 4025A
Stamp Day : 2007 - Ron, self-adhesive stamp with label (photo label not contractual)

F3980B
Yv. 4024A
Stamp Day : 2007 - Harry Potter, self-adhesive stamp with label (photo label not contractual)

F3981B
Yv. 4026A
Stamp Day : 2007 - Hermione, self-adhesive stamp with label (photo label not contractual)