What a deal: This one-column ad, magnified here to enhance readability, appeared in the Minneapolis Star. Imagine paying a buck to witness future legends in their prime at Dayton’s eighth-floor auditorium in Minneapolis.

Are you among the now-graying music fans who braved clouds of perfume and aisle after aisle of hats, dress shirts and shoes to see the Yardbirds or Simon and Garfunkel in July 1966? What do you remember from the shows? Kick yourself if you threw away the ticket stub. A 1965 Yardbirds stub was listed on eBay last month for $125.