EDU--ButtonU 110--HOW OLD IS MY BUTTON? led by Martha DuPlessis

Martha Duplessis and her team (Yessy Byl, Jocelyn Howells, and Sheila Brudno) share an overview of button characteristics that help to determine button age. Plus answer questions from an enthusiastic audience. This presentation was part of the October 2022 NBS Fall Button Fest. 1 hour, 22 minutes