Historical clue formulations

• Vessels for vintners — 2021-01-02
• Wine casks — 2016-09-21
• 945-liter units — 2009-12-11
• 252-gallon measures — 2009-01-10
• Port vessels — 2007-05-05
• Ale holders — 2003-09-27
• Port holders — 2003-04-26
• Wine casks — 1994-02-23