Historical clue formulations

• *Considerable amount of money, in an idiom — 2022-10-11
• *Tidy sum — 2016-03-20
• Tidy sum — 2005-09-16
• Considerable sum of money — 2003-09-01
• Good amount of money — 1999-04-09
• Tidy sum, slangily — 1995-05-03