Why isn't this old and very trusted PGP key accepted by GPG?

[Baby Peanut]

$ gpg --import Victor_A_Abell.pgp 
gpg: WARNING: using insecure memory!
gpg: please see http://www.gnupg.org/faq.html for more
information
gpg: key 40BD3D55: no valid user IDs
gpg: this may be caused by a missing self-signature
gpg: Total number processed: 1
gpg:           w/o user IDs: 1

Why isn't this old and very trusted PGP key accepted
by GPG?

You can get a copy of the key here:

ftp://vic.cc.purdue.edu/pub/Victor_A_Abell.pgp

Thanks,
BP


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