I'm not quite ready for prime time on this task.  As some of you may know, with support of David Thompson I have built a database of all...

More missing Pittsburgh stock broker cancels.  Please let me know if you've seen cancels by any of these brokers.  All the below adverts...

For several years I've ID'd stamps that were likely cancelled by Pittsburgh brokers and have squirreled them away on a special stock...

A. J. L. & CO. MAY 10 1900 from the Pittsburgh financial journal Money, November 8, 1902 from Money, October 25, 1902

R. J. STONEY, Jr., 13 JUN 1901 PITTSBURGH, PA. Cover of Moorhead's Quarterly Record of Pittsburgh Securities

  A. B. BAXTER, OCT 12 1899 P'g'h, Pa. Here's another businessman from Pittsburgh, listed in the Polk's & Dudley's g...

  GEO. L. McFARLANE, APR 14 1902 P'GH, PA. George L. McFarlane, a member of the Pittsburgh Stock Exchange,  kept his offices in Pittsbur...

McCLURE & WAY, APR 2 1900 PITTSBURGH, PA From the R. L. Polk & Company and R. L. Dudley's Pittsburgh, Allegheny City, and Allegh...

CANCELLED FEB 7 1901 Preston, Watt & Schoyer from the Pittsburgh financial journal Money, November 8, 1902 William H. Watt from Money, O...

W. H. CLARKE & CO. DEC 4 1899 P'GH, PA. W. H. Clarke doesn't show as a member of the Pittsburgh Stock Exchange in the Moody'...

  J. B. Barbour, Jr., DEC 13 1901 P'gh. Pa. from the Pittsburgh financial journal Money , November 29, 1902 from Money, October 11, 1902

  S. S. PINKERTON FEB 13 1900 PITTSBURG. from the Pittsburgh financial newspaper Money , December 6, 1902 from The Successful American, 1900