Overfield Tavern Membership includes unlimited free general admission, Member Preview Days for annex exhibitions, a discount on the museum catalog, monthly email updates and more. Your membership is valid for one year from date of purchase. Click here to view the Membership levels. Join Today! Volunteers and docents are needed to help with tours of the facility, educational programs, cataloging, and other Museum and exhibit functions, including serving on committees. Click here for a list of commitees. We are looking for donations of Ohio antiques, family heirlooms, letters or other gifts that would enhance our collection. Items of interest date between 1800 and 1840 and are from Miami County, Ohio. Memorial or estate donations may also be made.