Historical clue formulations

• Bygone Japanese coin — 2022-01-29
• Old TV's "The Adventures of ___ Tin Tin" — 2021-12-28
• ___ Tin Tin — 2019-06-23
• ___ Tin Tin — 2018-12-30
• 1/1,000 of a yen — 2017-11-11
• ___ Tin Tin — 2016-12-19
• ___ Tin Tin — 2016-04-05
• Currency unit taken out of circulation in 1953 — 2012-09-07
• ___ Tin Tin — 2012-01-15
• "When 2 ___ Love" (1988 Prince song) — 2011-12-24
• Thousandth of a yen — 2011-10-21
• ___ Tin Tin — 2010-10-31
• ___ Tin Tin — 2010-08-23
• Old Japanese coin — 2010-03-28
• ___ Tin Tin — 2009-09-15
• ___ Tin Tin — 2009-08-17
• Abbr. after Sen. Richard Lugar's name — 2008-07-11
• ___ Tin Tin — 2008-05-19
• ___ Tin Tin — 2007-11-20
• ___ Tin Tin — 2007-11-05
• ___ Tin Tin — 2007-03-29
• Oysters ___ season — 2007-01-07
• Thousandth of a yen — 2006-10-27
• ___ Tin Tin — 2006-06-26
• Oysters ___ season — 2004-10-03
• Thousandth of a yen — 2004-06-11
• ___ Tin Tin — 2004-01-06
• Old Japanese coin — 2003-02-15
• Practically valueless monetary unit — 2002-12-13
• Fraction of a sen — 2002-11-15
• Fraction of a sen — 2002-03-02
• Sen division — 2001-08-03
• Part of a dog's name — 2001-07-28
• Thousandth of a yen — 2001-07-15
• ___ Tin Tin — 2001-02-27
• It's worth very little in Japan — 2001-02-09
• Oysters ___ season — 2000-03-11
• One-thousandth of a yen — 2000-02-05
• "Oysters ___ season" — 2000-01-28
• ___ Tin Tin — 2000-01-12
• Thousandth of a yen — 1999-10-30
• ___ Tin Tin — 1999-03-15
• ___ Tin Tin — 1999-02-02
• ___ Tin Tin — 1998-05-13
• ___ Tin Tin — 1997-06-24
• ___ Tin Tin — 1997-04-13
• ___ Tin Tin — 1996-11-17
• ___ Tin Tin — 1996-10-17
• ___Tin Tin — 1996-03-03
• Oysters___season — 1996-01-05