Historical clue formulations

• Cover again, as with paint — 2025-07-28
• Apply more varnish to — 2024-10-13
• Add a layer to — 2016-06-18
• Put another layer on, as of paint — 2013-11-18
• Put more layers on — 2012-12-01
• Paint over — 2003-02-17
• Supply with more varnish — 1997-07-16