Historical clue formulations

• Autumn hue — 2023-10-21
• Autumn shade — 2019-12-28
• Shade akin to chestnut — 2019-01-05
• Reddish-brown — 2016-09-11
• Reddish-brown — 2016-04-05
• Brown shade — 2006-01-22
• Winter apple — 2003-10-22
• Unpolished leather — 2001-11-09
• Apple variety — 2001-01-02
• Autumn apple — 1999-09-20
• Unpolished leather — 1997-12-19
• Brown shade — 1997-12-13
• Reddish-brown winter apple — 1996-03-28