Editor(s):
Eleanor Packer (managing editor); Alice Nielson Cobb (story editor); Tom McKimson (art director)
Notes:
Indicia title is "Walt Disney's MICKEY MOUSE and the MISSING KEY, No. 261." Code number is M.M.O.S. #261-501. Copyright 1949 by Walt Disney Productions. Credits for this issue based upon Alberto Becattini's "Disney Index - Dell Comic Books" Vols. 1 and 2 (Italy, 1992 and 1994). Page count increases from 36 to 52. Apparently Mickey Mouse #11.