Historical clue formulations

• Swag — 2026-05-01
• Purchased souvenirs, informally — 2025-09-29
• Slangy stuff to sell — 2022-04-24
• Sales at concerts or games, informally — 2021-10-12
• Swag for sale — 2021-09-04
• Concert tees and the like — 2020-05-20
• Goods, slangily — 2019-07-13
• Stuff for sale at concerts — 2016-08-31