Antiques/Art/CraftsBalls, Balls, Balls Group show of sports-themed artwork in a variety of mediums. Medford Arts Center, 18 N. Main St., Medford. 8/3.
By Design: Architecture Architecture-themed prints from the permanent collection. Reading Public Museum, 500 Museum Rd., Reading; 610-371-5850. Included in admission. 8/3.
Calico Cutters Quilt Guild Meeting 2nd Wed. Paoli Presbyterian Church, 225 S. Valley Rd., Paoli; 610-647-1510. www.calicocutters.com. $5. 8/8. 10 am.
Coin Designer Joel Iskowitz Appearance by one of the most prolific designers of United States coins. Convention Center, 1101 Arch St.; 818-225-1348. 8/9. 1-3 pm.