Historical clue formulations

• Signs — 2026-04-25
• Signs — 2026-01-14
• Tats (up) — 2025-08-20
• Closes, as a deal — 2024-08-04
• Signs — 2024-05-09
• Press releases? — 2023-04-19
• Tattoo shop supplies — 2022-05-17
• Cartoonists' supplies — 2020-11-26
• Gives a tattoo to — 2019-02-04
• Calligraphers' choices — 2018-06-12
• Signs — 2017-11-04
• Signs, as a contract — 2016-10-04
• Works on the strip? — 2016-03-12
• Color printer purchases — 2015-08-11
• Signs, as a contract — 2015-04-13
• Stationery store stock — 2014-10-24
• Cartridge fillers — 2014-09-26
• Calligraphers' supplies — 2014-07-08
• Writes indelibly — 2014-04-29
• Tattoo parlor supply — 2014-03-05
• Pens' contents — 2013-11-25
• Signs — 2012-05-19
• Signs — 2012-01-15
• Signs, as a contract — 2011-01-26
• Tattooist's supply — 2011-01-22
• Contents of some cartridges — 2010-03-07
• Prepares, as the presses — 2009-10-28
• Signs — 2009-07-15
• Closes, as a deal — 2009-04-12
• Tattooist's stock — 2008-09-30
• Finishes, as cartoon artwork, with "in" — 2008-02-13
• Puts one's John Hancock on — 2007-07-13
• Printers' supplies — 2007-06-26
• Signs, as a contract — 2007-05-21
• Tattooist's stock — 2007-03-08
• Signs — 2006-12-03
• Signs — 2006-10-26
• Stationer's stock — 2004-05-01
• Signs, as a contract — 2002-11-18
• Finalizes, as a deal — 2002-11-10
• Finalizes, in a way — 2002-01-27
• Squid squirts — 1999-05-30
• Pen fluids — 1999-05-16
• Squid's squirts — 1999-04-28
• Signs, as a contract — 1999-04-12
• Signs — 1998-08-15
• Squid defenses — 1998-07-20
• Squid's squirts — 1998-07-08
• Some are indelible — 1998-04-30
• Signs — 1998-01-20