Historical clue formulations

• One with a booth at a flea market — 2022-12-27
• One setting up at a flea market — 2018-10-10
• Street fair participant — 2016-06-05
• Carnival sight — 2009-09-20
• Ball park licensee — 1998-05-24
• Part 4 of the quip — 1997-06-07