Pneumatic Machine Cancels, 1900-03, group of 10 different with straightline dial and horizontal killer bars from Hartford Ct. (two different), Evanston Ill., Indianapolis Ind., New York City (two different), Syracuse N.Y., Zanesville Oh., Galveston Tx., Salt Lake City Ut., various frankings, one illustrated ad cover, one to Germany; some faults, F.-V.F. Estimate  $100 - 150. $0 (Image)