Historical clue formulations

• Pricey bars — 2023-12-29
• Metal bars — 2023-05-03
• Pricey bars — 2019-11-20
• Depository deposits — 2016-05-19
• Reserved bars? — 2013-04-19
• They're worth their weight in gold — 2010-09-19
• Bars at Fort Knox — 2010-06-30
• Metal bars — 2007-06-12
• Bars — 2002-10-06
• Gold bars — 2002-04-02
• They're full of bullion — 2001-03-21
• Bars at Fort Knox — 1996-04-08