Presentations

Postmarks and Cancellations

Written by Steve Kennedy on July 5, 2020 in Presentations with 0 Comments

Thanks to Tony Zingale and the Hamilton Township Philatelic Society for allowing us to share his presentation. Click here to see more interesting presentations on their site!

Postmarks and Cancellations

The Development of Perforations on U.S. Postage Stamps During the Toppan, Carpenter Era: 1855-1857.

Written by Charles DiComo on June 25, 2020 in Lancaster, Presentations with 0 Comments

The John Barwis Collection of Philadelphia Postal History

Written by Steve Kennedy on May 29, 2020 in Presentations with 0 Comments

The John Barwis Collection of Philadelphia Postal History

Philadelphia Cancellations

Written by Steve Kennedy on May 25, 2020 in Featured, Presentations with 0 Comments

Philadelphia Cancellations