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Summer Seminar

Summer Seminar on Philately is a once-a-year opportunity to expand your philatelic knowledge and meet others who share your passion and interests. All courses are led by philatelic experts who are accomplished writers, exhibitors, experts, dealers, and specialized collectors.


June 21-25, 2020


Early Bird Registration runs until March 31st.

Questions or Comments?:

Call: 814-933-3810 or Email:

Washington - Franklins: Part 1 - Identification

A 2-Day Course Presented by Guy Gasser

Monday, June 22 – Tuesday, June 23, 2020

Investigate the different designs, perforations, printing methods, and watermarks of the Washington–Franklin U.S. definitive series (1908–1922) and determine Scott Catalogue numbers for major varieties.

Course Description:

Engage in numerous hands-on exercises as you gain the knowledge and skills to properly identify the nearly two-hundred varieties of the Washington–Franklin series of definitive stamps.  During this two-day course, learn how to recognize face-different designs, sort by perforation, distinguish by printing method, identify watermarks, and differentiate between the types of the 2c and 3c designs.

This course may be combined with Washington-Franklins: Part 2 – Expertizing to create a continuous 4-day experience.

Intended Audience:

Anyone who collects or wants to collect the Washington-Franklin definitive series.

Meet the Instructor

Guy Gasser

A West Point graduate and career Army man, Guy Gasser, retired after 30 years of service to his country. He has collected stamps on and off for over 40 years and enjoys helping others learn about and enjoy philately.
Guy has been a member of the APS since 2004 and also holds memberships in the U.S. Philatelic Classic Society, the U.S. Stamp Society, the Collector’s Club of NY and two St. Louis area stamp clubs.

There are 5 spaces left in this course

Course Listing

4-Day Courses Monday-Thursday (June 22-25)

Important Information

Distinguished Philatelist

Distinguished Philatelist Dennis Gilson

The Summer Seminar Distinguished Philatelist award recognizes an individual who has demonstrated dedication, leadership, and commitment to the hobby. 

Dennis has been a member of the American Philatelic Society since January 1977 and received the 2016 Luff Award and the Century Award Plaque. He is a member of the APEX Expert committee, volunteers regularly at the APC and is an esteemed Summer Seminar Instructor.

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