Antique original c. 1900 The Aultman & Taylor Machinery Company, Mansfield, Richland County, Ohio – Standard Threshing Machinery, Engines, Saw Mills, Etc. advertising postal cover envelope. 5 3/4 by 3 3/8 inches. Some soil and browning. Bit of paper residue on the back. Please see photos for condition. Guaranteed old and original.