Source: Ravelings (1942) Ad:

Real Estate and Farm Loans
Old Line      Automobile Insurance
O.C. FRANTZ
Brooks Building, North Manchester
Phones: Res. 779, Office 221

Source: Aurora (1946) Ad:

O.C. FRANTZ
Insurance - Real Estate - Farm Loans
"BUY IT NOW"
North Manchester, Indiana
Office 115 E. Main   Phone 221