Historical clue formulations

• Real gem — 2024-04-04
• Partner worth holding on to — 2023-02-26
• Fish of sufficient size — 2012-03-17
• Big-enough catch — 2009-07-19
• Big-enough catch — 2009-02-13
• Big fish, to a fisherman — 2006-02-26
• Large fish, maybe, to a fisher — 2005-11-20
• Big enough fish — 2005-05-12