back issue
US /ˈbæk ˌɪʃ.uː/
UK /ˈbæk ˌɪʃ.uː/

1.
an older copy of a magazine or newspaper
:
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I'm looking for a back issue of 'Time' magazine from 1995.
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The library has a collection of back issues for research.
an older copy of a magazine or newspaper