Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10 Apollo; site apollo.uucp
Path: utzoo!watmath!clyde!floyd!harpo!decvax!wivax!apollo!rees
From: rees@apollo.uucp (Jim Rees)
Newsgroups: net.test
Subject: Let me know if this breaks your news system...
Message-ID: <1e45d6b7.1147@apollo.uucp>
Date: Tue, 20-Mar-84 18:42:34 EST
Article-I.D.: apollo.1e45d6b7.1147
Posted: Tue Mar 20 18:42:34 1984
Date-Received: Thu, 22-Mar-84 00:48:51 EST
Organization: Apollo Computer, Chelmsford, Mass.
Lines: 2

...or if you see duplicates of this article.
(See the unorthodox Message-ID?)