Ephemera 38 Previous event Event List Next event Saturday, Mar 17, 2018 - Sunday, Mar 18, 2018 10:00 AM - 5:00 PM Location: Ephemera/38 "Let Me Entertain You!" Hyatt Regency 1800 E Putnam Ave Old Greenwich CT Website Join us for this outstanding conference and show. Ephemera Society of America, Hyatt Regency 1800 E Putnam Ave Old Greenwich CT. Conference Friday 8:30-5:30 Fair - Saturday 10-5; Sunday 11-4. Early entry on Saturday to Ephemera Society members. Admission Saturday $15 (includes re-admission) Sunday only $10. Students FREE.