Posted by Beth Staples at 4:41 PM Friday, July 25, 2008.
....

Despite Salinger’s feelings for Signet, they issued the first
paperback edition of Nine Stories
in July, 1954. The figure
on the left is a first printing; Cover Lover
isn't sure if these
variations existed with the first printing or were
slowly
introduced over time. Note the signature of W. D. Miller,
which
appears on the first printing but is absent from
the other examples.
This Modern Library edition of Nine
Stories was issued in 1959.
....