Elyse Zorn Karlin, Co-Director of the Association for the Study of Jewelry & Related Arts in Ellicot City, Maryland, will visit the Ayer Mansion, 395 Commonwealth Avenue, on Tuesday, May 23 to speak on the topic of Tiffany Jewels: Jewelry of the Early 20th Century Arts & Crafts Movement, as part of the 2017 Ayer Mansion Lecture Series.  A wine and cheese reception begins at 6:30, followed by the lecture at 7. $35.  Register online at www.ayermansion.org, or call 617-536-2586.