Ken Martin
Ken Martin is the Director of Expertizing for the American Philatelic Society. You can learn more about having your stamps authenticated through APEX.
Philatelic Happenings: Service Awards Honor Decades of Labor
How it Works: The American Philatelic Expertizing Service (APEX)
Philatelic Happenings: On Exhibiting and Sad Losses for the APS
Expert Profiles – Dr. Lawrence Mead
Have You Considered Philatelic Expertizing?
Philatelic Happenings: Lifetime Contributions of Esper Hayes and Dick Winter Honored
Expertizing Profiles: Richard Friedberg
Philatelic Happenings: FLOREX Chair Steps Down
Estate Advisory Service Volunteers Needed
Expertizing - United States beyond Scott
Expertizing Basics - Watermarks
Top Seven Reasons to Expertise your Stamps
Stories from the Expertising Desk: Washington Franklin Transitional Perfs
Stories from the Expertizing Desk
Adventures in Expertizing : What Constitutes a Fault
Expertizing: When and Why
Make Better-informed Buying and Selling Decisions! Enroll Today in Getting the Most Out of the Scott Catalogue
A Season of Difficulty … and Perseverance
Postal Service To Honor Mighty Mississippi on Forever Stamps
Chippewa Artist Honored with Stamps
Scott English, Executive Director
Susanna Mills, Editor in Chief
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