Yoder and Frey farm machinery auction Mon & Tues April 11 & 12.
Its their larger spring auction and Monday is antique / old stuff day.
More details at yoderandfreyfarm.com
Two miles from there is Sauder Village / Museum, history of NW Ohio settlement, live farm exhibits, craftsmen working (pottery, glass, etc) more old stuff, Barn Restaurant with great broasted/fried chicken.
Just a bit more than an hour north of Lima in Archbold Ohio.