Historical clue formulations

• "My guess is ..." — 2026-08-26
• "In my estimation …" — 2026-01-11
• "My guess is ..." — 2024-07-08
• Start of a guesstimate — 2022-07-10
• Opining opening — 2022-05-05
• "My take is ..." — 2021-09-01
• "Methinks ..." — 2020-03-22
• "In my view ..." — 2016-01-12
• "In my opinion ..." — 2014-09-30
• Guesstimate opening — 2014-09-27
• "In my opinion ..." — 2010-09-19
• "If you ask me ..." — 2010-05-29
• Opinion opener — 2010-01-22
• Opinion opener — 2008-03-01
• "In my opinion ..." — 2007-09-24
• Start of hazarding a guess — 2006-10-25
• Start of a quip — 2000-06-08