(Municipal/Civic Promotion) John Bohn, Proprietor of the Union Bakery and Restaurant. Corner card cover franked with 1887, 2¢ green tied by Greenfield, Ind. cds, reverse with allover illustrated ad showing Derrick and Natural Gas Main with ad text extolling "Greenfield's Advantages For 1887", Very Fine. Scott No. 213  Estimate $75 - 100. $0 (Image)