Historical clue formulations

• Copies, in a way — 2020-10-30
• Some exact likenesses — 2013-08-30
• Reproduces, in a way — 2013-05-22
• Some duplicates — 2012-01-04
• Some dupes — 2009-02-21
• They're not originals — 2007-11-02
• Reproduces, in a way — 2004-06-18
• Reproductions of a sort — 2001-11-17
• Copies — 1995-08-26