Historical clue formulations

• Part of a makeup routine — 2025-01-16
• Valuable property — 2024-04-11
• Introductory textbook — 2023-08-01
• First coat for a painter — 2017-02-07
• First layer of furniture protection — 2013-07-23
• It may be under enamel — 2009-10-31
• Base coat — 2009-02-25
• Furniture cover — 2008-05-23
• Undercoat — 2004-09-23
• First coat — 2000-08-30
• Introductory reading — 1999-07-07
• First-grade book — 1997-12-15