Comic Title: X-Factor #24
Publisher: Marvel
Cover Date: January 1988
On Sale Date: September 22, 1987 Shipping Date September 22, 1987
Source: Marvel Age, #57

Shipping Date September 22, 1987
Source: Amazing Heroes, #126

Newsstand Date October 15, 1987
Source: Amazing Heroes, #126

Shipping Date September 22, 1987
Source: Capital City Distributors, Orderpak September 1987

Copyright Date September 11, 1987
Source: Library of Congress, Copyright Office 1987
Marvel LoC dates from May 1987 to Nov 1987 are erroneous
All issues within a given month use the same date

Newsstand Date October 13, 1987
Source: Marvel Age, #57

Cover Price: $0.75
Page Count: 32
Editor: Bob Harras

Title: "Masks"
Pages: 23

Feature(s):
X-Factor

Writer: Louise Simonson (Jones)
Penciller: Walter Simonson
Inker: Bob Wiacek
Letterer: Joseph Rosen
Colorist: Petra Scotese (Goldberg)

Reprinted In:
X-Men:Mutations TPB (1996)
X-Men:The Fall of the Mutants TPB (2002)
Essential X-Factor Vol. 2 TPB (2007)
X-Factor Epic Collection:Angel of Death TPB (2021)
X-Men:The Fall of the Mutants Omnibus HC (2022)
X-Men:The Fall of the Mutants Omnibus HC [Variant] (2022)