MPH Tours holds informational meeting about fall trip MPH Tours October excursion informational meeting: 7 p.m., Museum of Postal History, 339 N. Main Street, Delphos. DELPHOS — MPH Tours is holding an informational meeting about its upcoming October excursion to Chattanooga, Tennessee and Lexington, Kentucky, at 7 p.m. Tuesday, June 22 at the Museum of Postal History, 339 N. Main Street, Delphos. The tour will explore historic sites across the two states and almost all amenities are included with the $1,875 cost of the trip. MPH Tours October excursion informational meeting: 7 p.m., Museum of Postal History, 339 N. Main Street, Delphos. This entry was tagged 062221. Bookmark the permalink.